
The Navy Department Library
- Expand navigation for A A
- Abbreviations Used for Navy Enlisted Ratings
- "The Ablest Men"
- Abolishing the Spirit Rations in the Navy
- Account of the Battle of Iwo Jima
- Account of the Operations of the American Navy in France During the War With Germany
- Act providing a Naval Armament
- Action Report, Battle of Okinawa at RP Station #1, 12 April 1945
- Action Report USS LCS(L) (3) 57, Battle of Okinawa at RP Station #1, Apriil 12, 1945
- Advanced Intelligence Centers in the US Navy
- Admiral Caperton in Haiti
- Afghan Wars 1839-42 and 1878-80
- Afghanistan: A Short Account by P.F. Walker
- Afghanistan - Silver Star Presented Francis L. Toner IV
- African Squadron
- Agreement Between the United States and the Republic of Haiti
- Alcohol in the Navy
- The Aleutians Campaign
- Allied Ships present in Tokyo Bay
- Amelia Earhart
- American Naval Mission in the Adriatic, 1918-1921
- American Naval Participation in the Great War (With Special Reference to the European Theater of Operations)
- American Naval Planning Section London
- American Ship Casualties of the World War
- Amphibious Landings in Lingayen Gulf
- Amphibious Operations: Capture of Iwo Jima
- Amphibious Operations - The Planning Phase
- Analysis of the Advantage of Speed and Changes of Course in Avoiding Attack by Submarine
- Anchor of Resolve
- Expand navigation for Annual Reports of the Secretary of the Navy Annual Reports of the Secretary of the Navy
- Annual Report of the Secretary of the Navy - 1821
- Annual Report of the Secretary of the Navy - 1822
- Annual Report of the Secretary of the Navy - 1823
- Annual Report of the Secretary of the Navy - 1824
- Annual Report of the Secretary of the Navy - 1825
- Annual Report of the Secretary of the Navy - 1826
- Annual Report of the Secretary of the Navy - 1827
- Annual Report of the Secretary of the Navy - 1828
- Annual Report of the Secretary of the Navy - 1829
- Annual Report of the Secretary of the Navy - 1830
- Annual Report of the Secretary of the Navy - 1831
- Annual Report of the Secretary of the Navy - 1832
- Annual Report of the Secretary of the Navy - 1833
- Annual Report of the Secretary of the Navy - 1834
- Annual Report of the Secretary of the Navy - 1835
- Annual Report of the Secretary of the Navy - 1836
- Annual Report of the Secretary of the Navy - 1837
- Annual Report of the Secretary of the Navy - 1838
- Annual Report of the Secretary of the Navy - 1839
- Annual Report of the Secretary of the Navy - 1840
- Annual Report of the Secretary of the Navy - 1841
- Annual Report of the Secretary of the Navy - 1842
- Annual Report of the Secretary of the Navy - 1843
- Annual Report of the Secretary of the Navy - 1941
- Annual Report of the Secretary of the Navy - 1845
- Anomaly of the Enlisted Officer
- Answering a Call in a Crisis
- Antiaircraft Action Summary
- Antiaircraft Action Summary COMINCH P-009
- Antisubmarine Information, ONI No. 14, 1918
- Antisubmarine Tactics, ONI No. 42, 1918
- Antisubmarine Warfare, ONI No. 9, 1917
- Anti-Suicide Action Summary
- Are the Southern Privateersmen Pirates?
- Arleigh Burke: The Last CNO
- Armed Forces Expeditionary Medals
- Army-Navy E Award
- Articles for the Government of the United States Navy, 1930
- Assault Landings on Leyte Island
- The Assault on Kwajalein and Majuro (Part One)
- Atlantis: The Legendary Island
- Attack on Halifax and Adjacent Territory
- Aviation Personnel Fatalities in World War II
- Awards Manual 1994
- Expand navigation for B B
- Battle of the Atlantic Volume 4 Technical Intelligence From Allied Communications Intelligence
- Battenberg Cup Award
- Battle Experience - Radar Pickets
- Battle Instructions for the German Navy
- Battle for Iwo Jima
- Battle of Derna, 27 April 1805: Selected Naval Documents
- Battle of Guadalcanal
- Battle of Jutland War Game
- Battle of Lake Erie: Building the Fleet in the Wilderness
- Battle of Manila Bay, 1 May 1898
- Battle of Midway: Aerology and Naval Warfare
- Battle of Midway: Army Air Forces
- Battle of Midway: 3-6 June 1942 Combat Narrative
- Battle of Midway: 4-7 June 1942
- Battle of Midway, 4-7 June 1942: Combat Intelligence
- Battle of Midway: 4-7 June 1942 SRH-230
- Battle of Midway - Interrogation of Japanese Officials
- Battle of Midway: Japanese Plans Chapter 5 of The Campaigns of the Pacific War
- Battle of Midway: Preliminaries
- Battle of Midway: U.S. Marine Corps
- Battle of Mobile Bay
- Battle of Mobile Bay: Selected Documents
- Battle of Savo Island August 9th, 1942 Strategic and Tactical Analysis
- Battle of the Atlantic Volume 3 German Naval Communication Intelligence
- Battle of the Atlantic Volume 4 Technical Intelligence From Allied Communications Intelligence
- Battle of the Coral Sea
- Battle of the Coral Sea- Combat Narrative
- Battle of the Nile
- Battle of Tripoli Harbor, 3 August 1804: Selected Naval Documents
- Battlecruisers in the United States and the United Kingdom, 1902-1922.
- The Battles of Cape Esperance 11 October 1942 and Santa Cruz Islands 26 October 1942
- Battles of Savo Island and Eastern Solomons
- Bayly's Navy
- Beans, Bullets, and Black Oil
- Bells on Ships
- Bismarck, Sinking of
- Boat Pool 15-1 Manila, P.I. Thanksgiving '22 Nov. 45
- Blockade-running Between Europe and the Far East by Submarines, 1942-44
- Bombing As a Policy Tool in Vietnam
- Expand navigation for Boxer Rebellion and the US Navy, 1900-1901 Boxer Rebellion and the US Navy, 1900-1901
- Brass Monkey
- Brief History of Civilian Personnel in the US Navy Department
- A Brief History of Naval Cryptanalysis
- Brief History of Punishment by Flogging in the US Navy
- Brief History of the Seagoing Marines
- Brief Summary of the Perry Expedition to Japan, 1853
- Bronze Guns (cannons) Glossary
- Budget of the US Navy: 1794 to 2014
- Expand navigation for Building the Navy's Bases in World War II Building the Navy's Bases in World War II
- Bull Ensign
- Bunker Busters: Robust Nuclear Earth Penetrator Issues
- Expand navigation for By Sea, Air, and Land By Sea, Air, and Land
- Foreword
- Chapter 1: The Early Years, 1950-1959
- Chapter 2: The Era of Growing Conflict, 1959-1965
- Chapter 3: The Years of Combat, 1965-1968
- Chapter 4: Winding Down the War, 1968 - 1973
- Chapter 5: The Final Curtain, 1973 - 1975
- Medal of Honor Recipients of the U.S. Navy in Vietnam
- Secretaries of the Navy and Key United States Naval Officers, 1950 - 1975
- Aircraft Tailcodes
- Enemy Aircraft Shot Down by Naval Aviators in Southeast Asia
- Bibliography
- Glossary
- Expand navigation for C C
- Expand navigation for Cannons of the Washington Navy Yard Cannons of the Washington Navy Yard
- No. 1 Austrian 6-pounder Howitzer with cutout
- No. 1 Austrian 6-pounder Howitzer - Plaque
- No. 2 French 4-pounder Smoothbore
- No. 3 Austrian 6-pounder Howitzer
- No. 4 Austrian 6-pounder Howitzer
- No. 4 Austrian 6-pounder Howitzer - Sight Cutaway
- No. 5 Japanese Gun - Bore 6.875 inches
- No. 6 4-pounder
- No. 6 Austrian 4-pounder
- No. 7 U.S. Army 24-pounder Howitzer
- No. 8 Spanish 12-pounder
- No. 9 Spanish 6-pounder
- No. 9 Spanish 6-pounder - Arms
- No. 10 Spanish 27 -pounder
- No. 10 Spanish 27-pounder - Plaque
- No.11 French 12-pounder
- No. 11 French 12-pounder - Le Belliqueux
- No. 11 French 12-pounder - Plaque
- No. 11 French 12-pounder - Royal Arms
- No. 12 French 12-pounder
- No. 12 French 12-pounder - Le Vigoureux
- No. 12 French 12-pounder - Plaque
- No. 13 Spanish 27-pounder
- No. 13 Spanish 27-pounder - Plaque
- No.14 Spanish 12-pounder
- No. 14 Spanish 12-pounder - Plaque
- No. 15 Spanish 12-pounder
- No. 15 Spanish 12-pounder - Plaque
- No. 16 Spanish 12-pounder
- No. 16 Spanish 12-pounder - Plaque
- No. 17 Spanish 12-pounder
- No. 17 Spanish 12-pounder - Plaque
- No. 18 Spanish 12-pounder
- No. 18 Spanish 12-pounder - Plaque
- No. 19 Spanish 9-pounder
- No. 19 Spanish 9-pounder - Plaque
- No. 20 Spanish 9-pounder
- No. 20 Spanish 9-pounder - Cambernon
- No. 20 Spanish 9-pounder - Plaque
- No. 21 British Howitzer
- No. 22 British Howitzer
- No. 23 4.63-inch Howitzer
- No. 23 4.63-inch Howitzer
- No. 23 4.63-inch Howitzer - 249
- No. 24 6.5-inch Spanish Howitzer
- No. 25 Venetian 5.75-inch Howitzer
- No. 25 Venetian 5.75-inch Howitzers
- No. 26 Venetian 5.75-inch Howitzer
- Flagpole and Mortars
- Flagpole and Mortars - Base
- Flagpole and Mortars - Mortar
- The Navy Museum
- View Along Dahlgren Avenue
- Captain Raphael Semmes and the C.S.S. Alabama
- Captain Samuel Nicholson: A Monograph [pdf]
- Capture of CSS Florida by USS Wachusett - Report of Commander Napoleon Collins
- Capture of CSS Florida by USS Wachusett - Report of Lieutenant Morris
- Capture of the Frigate USS Philadelphia
- Caribbean Tempest: The Dominican Republic Intervention of 1965
- Carrier Deployments During the Vietnam Conflict
- Carrier Locations - Pearl Harbor Attack
- Carrier Strikes on the China Coast
- Case of the Somers' Mutiny 1843
- Casualties: US Navy & Marine Corps Personnel
- Casualties: US Navy and Marine Corps Personnel Killed and Injured in Selected Accidents and Other Incidents Not Directly the Result of Enemy Action
- Change of Command and Retirement Ceremony of the Commandant Naval District, Washington, DC
- Change of Command Ceremony
- Charles Morris A Man of Letters and Numbers
- Chart Your Future As A Woman Officer
- Chester Nimitz and the Development of Fueling at Sea
- Christmas 1932 U.S. Naval Air Station San Diego California
- CIC [Combat Information Center] Manual (RADSIX)
- CIC [Combat Information Center] Operation in an AGC
- CIC [Combat Information Center] Yesterday and Today
- CIC Operations On a Night Carrier
- CINCPAC Glossary of Commonly Used Abbreviations and Short Titles
- Expand navigation for CinCPac Report - Pearl Harbor CinCPac Report - Pearl Harbor
- Circular September 13, 1839
- Circular 17 July, 1869
- Colored Persons in the Navy of the U.S. (1842)
- Combined Operation Craft: Small Scale Drawings
- COMINT [Communications Intelligence] Contributions [to] Submarine Warfare in WW II
- Command and Control of Air Operations in the Vietnam War
- Commander Task Force Seventeen Operation Plan 1-45
- Commander's Handbook on the Law of Naval Operations
- Comparison of Military and Civilian Equivalent Grades
- Compilation of Enlisted Ratings and Apprentiships US Navy 1775-1969
- Composition of Japanese Forces
- Composition of US Forces
- Condition of the Navy and Its Expenses 1821
- Conduct of War at Sea
- Conflict and Cooperation: The U.S. and Soviet Navies in the Cold War
- Constitution Fighting Top
- The Constitution Gun Deck
- Constitution Sailors in the Battle of Lake Erie [pdf]
- Continental Congress and the Navy
- The Continental Navy: "I Have Not Yet Begun to Fight."
- Copy of talk given by Captain B.E. Manseau, USN, before the American Society of Mechanical Engineers and the Society of Naval Architets and Marine Engineers
- Cordon of Steel
- The Corps' Salty Seadogs Have All But Come Ashore: Seagoing Traditions Founder as New Millennium Approaches
- Costs of Major US Wars
- Cruising Fleets
- Cruising in the Old Navy
- Cuban Missile Crisis, 1962
- Expand navigation for Cuban Missile Crisis Cuban Missile Crisis
- Current Doctrine Submarines
- Cursor scales for the VG [Plan Position Indicator (radar)
- Customs and Traditions, Navy
- Expand navigation for Cannons of the Washington Navy Yard Cannons of the Washington Navy Yard
- Expand navigation for D D
- D-Day, the Normandy Invasion: Combat Demolition Units
- Dartmoor Prison
- Decatur House and Its Distinguished Occupants
- Declarations of War and Authorizations for the Use of Military Force
- The Defense and Burning of Washington in 1814: Naval Documents of the War of 1812
- De Klerk Diary
- Demolition Units of the Atlantic Theatre of Operations
- Department of Defense Acronyms
- Destroyers at Normandy
- Destroyers for Bases Agreement, 1941
- Destroyers transferred to Britain under Destroyers for Bases agreement
- Destruction of CSS Albemarle - Report of A. F. WARLEY
- Destruction of CSS Albemarle - Report of Lieutenant William Barker Cushing
- The Development of Japanese Sea Power: "Know Your Enemy"! [CinCPOA Bulletin 93-45, 1945]
- Expand navigation for The Diary of Michael Shiner Relating to the History of the Washington Navy Yard 1813-1869 The Diary of Michael Shiner Relating to the History of the Washington Navy Yard 1813-1869
- Digest Catalogue of Laws and Joint Resolutions: The Navy and the World War
- Disaster at Savo Island, 1942
- Disaster in the Pacific
- Discipline in the U.S. Navy
- Expand navigation for Diving in the U.S. Navy: A Brief History Diving in the U.S. Navy: A Brief History
- Documents, Official and Unofficial, Relating to the Capture and Destruction of the Frigate Philadelphia at Tripoli - 1850
- Documents Related to the Resignation of the German Commander in Chief, Navy, Grand Admiral Raeder and to the Decommissioning of the German High Seas Fleet
- DoD Rules for Military Commissions - 2006
- Expand navigation for Dominican Republic Intervention Dominican Republic Intervention
- Doolittle Raid
- The DRVN Strategic Intelligence Service
- Expand navigation for E E
- Early Raids in the Pacific Ocean
- Elementary Map and Aerial Photograph Reading
- Emancipation Proclamation, Navy general Order No. 4, 1863
- Employment of Naval Forces
- Enlisted Uniforms
- Enlistment, Training, and Organization of Crews for Our New Ships
- Essay on Naval Battles of the Korean War
- Establishment of the Department of the Navy
- Establishment of the Navy
- Exercise Tiger
- Exorcizing the Devil's Triangle
- Expeditions, Diplomatic and Scientific Activity, and Operations Against Native Americans and Pirates
- Exploring the Antarctic 1840 - The Wilkes Expedition
- Eye-Witness Account of the Battle Between the U.S.S. Monitor and the C.S.S. Virginia Mar 9 1862
- Evolution of Naval Weapons
- Expand navigation for F F
- Far Eastern Sighting Guide [ONI-F-31 FE]
- Fifty Years of Naval District Development 1903-1953
- Filipinos in the United States Navy
- Final Contact: USS Indianapolis (CA-35) passes USS LST-779 29 July 1945
- The First Raid on Japan
- Fixing Wages and Salaries of Navy Civilian Employees
- Flag Sizes
- Fleet Air Wing Four Strikes
- Fleet Post Office, New York, New York
- Fleet Post Office, San Francisco, California
- "Forward ... From the Start": The U.S. Navy & Homeland Defense: 1775-2003
- Fourth of July Dinner the Spirit of '45
- French Indo-China PSIS 400-35
- Frocking
- From Dam Neck to Okinawa: A Memoir of Antiaircraft Training in World War II
- From the Sea to the Stars
- Expand navigation for G G
- GAF (German Air Force, Luftwaffe] and the Invasion of Normandy
- Gearing Up for Victory American Military and Industrial Mobilization in World War II
- Gedunk
- General Information for Employees - Washington Navy Yard - 1941
- General Instructions for Commanding Officers of Naval Armed Guards on Merchant Ships - 1944
- General Instructions for Sloops and Torpedo Craft
- General Mess Manual and Cook Book
- Expand navigation for General Orders General Orders
- General Order (21 January 1834) Presents
- General Order (28 November 1838) Animals
- General Order (18 February 1846) Port and Starboard
- General Order (17 December 1850) Furnishing Vessels
- General Order (27 September 1851) Contracts of Enlistment Ending
- General Order (17 May 1858) Naval Academy Graduates Denied Letter
- General Order (22 April 1862) Officers Forbidden to Give Publicity to Any Hydrographical Knowledge
- General Order (12 December 1862) Rules for Naval Communication
- General Order (23 December 1862) Rules Corresponding with SecNav and Bureaus
- General Order No. 1 (1863) Rules to Disseminate General Orders
- General Order No. 4 (1863) Emancipation Proclamation
- General Order No. 9 (1863) Observance of Paroles
- General Order No. 51 (1865) Announcing Death President Abraham Lincoln
- General Order No. 73 (1866) Resolution of Thanks from Congress to Admiral Farragut for Mobile Bay Action
- General Order No. 81 (1866) Requirements of Guardians for Boy to Enlist
- General Order No. 83 (1867) Proclamation Issued by President Johnson
- General Order No. 90 (1869) Uniform Changes
- General Order No. 99 (1869) Authority Given to Fleet Officers
- General Order No. 105 (1869) North & South Pacific Squadrons Combined into Pacific Station
- General Order No. 110 (1869) Forbidding Applications for Duty Through Persons of Influence
- General Order No. 112 (1869) Sea Service of Officers to be Three Years
- General Order No. 123 (1869) Uniform Change for Masters, Ensigns & Midshipmen
- General Order No. 127 (1869) List of Types of Officers to Mess in Second Ward Room
- General Order No. 128 (1869) Exercises for Ships with Sails
- General Order No. 131 (1869) Economizing the Use of Coal
- General Order No. 175 (1872) Division of the Pacific Station into Two Stations
- General Order No. 226 (1877) Importance of Complete Reports and Logs
- General Order No. 230 (1877) Special Shore Service and Duty
- General Order No. 232 (1877) Working Hours at Navy Yards and Stations
- General Order No. 248 (1880) Correct and General Understanding of Signals
- General Order No. 250 (1880) Establishment of the Office of Judge Advocate General of the Navy
- General Order No. 252 (1880) Painting Schematic for Boats
- General Order No. 292 (1882) Establishment of the Office of Intelligence
- General Order No. 370 (1889) Copies of Books to the Navy Department Library
- General Order No. 372 (1889) Order for Official Communications
- General Order No. 544 (1900) Establishment of the General Board
- General Order No. 55 (1901) Decorations for Philippine Islands and Boxer Rebellion
- General Order No. 56 (1901) Puget Sound, Naval Station to Navy Yard
- General Order No. 128 (1903) Establishment of Naval Districts
- General Order No. 129 (1903) Surplus Provisions
- General Order No. 74 (1908) Establishing Ship Post Offices
- General Order No. 135 (1911) Definitions of Well-known Naval Terms
- General Order No. 30 (1913) Movement of the Rudder
- General Order No. 98 (1914) Movement of the Rudder
- General Order No. 99 (1914) Prohibition in the Navy
- General Order No. 132 (1915) Khaki Dye for White Undress Uniform
- General Order No. 258 (1917) SecNav Announces Death of Admiral Dewey
- General Order No. 259 (1917) Executive Order and Message on Death of Admiral Dewey
- General Order No. 294 (1917) Identification Tags ("Dog Tags")
- General Order No. 456 (1919) Observance of the Sabbath Day
- General Order No. 541 (1920) Standard Nomemclature for Naval Vessels
- General Order No. 244 [1934] Alcoholic Liquors
- General Order No. 47 (1935) Precedence of Forces in Parades
- General Orders 1921-1935
- General Orders for the Regulation of the Navy Yard Washington, D.C. - 1833-1850
- General Orders USS Independence 1815
- German Commanders Wilhelm Keitel and Alfred Jodl on the Invasion of Normandy in 1944
- German Defense of Berlin
- Expand navigation for German Espionage and Sabotage German Espionage and Sabotage
- German Report on the Allied Invasion of Normandy
- German Submarine Activities on the Atlantic Coast
- German Submarine Attacks
- German Submarines in Question and Answer
- Expand navigation for Glossary of U.S. Naval Code Words (NAVEXOS P-474) Glossary of U.S. Naval Code Words (NAVEXOS P-474)
- Going back to civilian life facts you should know about
- going back to civilian life - a pamphlet
- Going South: U.S. Navy Officer Resignations & Dismissals On the Eve of the Civil War
- Grand Strategy Contending Contemporary Analyst Views & Implications for the US Navy
- The Great Influenza Pandemic of 1918 at the Norfolk Naval Shipyard, Naval Training Station Hampton Roads and the Norfolk Naval Hospital
- Greely Relief Expedition
- Expand navigation for Grenada: Operation Urgent Fury Grenada: Operation Urgent Fury
- Guadalcanal Campaign
- Guide to Command of Negro Naval Personnel NAVPERS-15092
- Guidelines: Naval Social Customs
- Guide to US Military Casualty Statistics
- The Guidebook for NAVAL RESERVE CHAPLAINS
- General Description of the Whitehead Torpedo
- Expand navigation for H H
- Haitian Campaign of 1915
- Haiti - US Navy Medal of Honor - 1915
- Halsey-Doolittle Raid
- Handbook of First Aid Treatment for Survivors of Disasters at Sea
- Head - Ship's Toilet
- Historical Approach to Warrant Officer Classifications
- The Historical Importance to Navigation of Nathaniel Bowditch's New American Practical Navigator
- History and Descriptive Guide of the US Navy Yard Washington, DC
- History of Convoy and Routing [1945]
- History of Flag Career of Rear Admiral W.B. Caperton
- History of Paul Jones, the Pirate
- History of the Bureau of Engineering During WWI
- History of the Chief Petty Officer
- History of the Dudley Knox Center for Naval History
- History of the Navy Department Library
- Expand navigation for History of the Seabees History of the Seabees
- Expand navigation for History of the US Navy History of the US Navy
- Expand navigation for History of United States Naval Operations: Korea History of United States Naval Operations: Korea
- Foreword - History of US Naval Operations: Korea
- Preface - History of US Naval Operations: Korea
- List of Maps - History of US Naval Operations: Korea
- List of Tables - History of US Naval Operations: Korea
- Chapter 1: To Korea By Sea
- Chapter 2: Policy and Its Instruments
- Chapter 3: War Begins
- Chapter 4: Help on the Way
- Chapter 5: Into the Perimeter
- Chapter 6: Holding the Line
- Chapter 7: Back to the Parallel
- Chapter 8: On to the Border
- Chapter 9: Retreat to the South
- Chapter 10: The Second Six Months
- Chapter 11: Problems of a Policeman
- Chapter 12: Two More Years
- A Note on Source Materials
- Glossary of Naval Abbreviations
- History of US Navy Uniforms 1776 - 1981
- Expand navigation for Honda (Pedernales) Point, California, Disaster, 8 September 1923 Honda (Pedernales) Point, California, Disaster, 8 September 1923
- Honda (Pedernales) Point, California, Disaster, 8 September 1923
- How the Navy Talks
- How to Fold Your Navy Uniform
- How to Mark Your Navy Uniform
- How to serve your country in the WAVES
- The Hungnam and Chinnampo Evacuations
- Hurricanes and the War of 1812
- History and aims of the Office of Naval Intelligence
- Expand navigation for I I
- I Was a Yeoman (F)
- Identification Tags - Dog Tags
- In Honor of Master Chief Britt K Slabinski: United States Navy, Retired: MEDAL OF HONOR - HALL OF HEROES INDUCTION CEREMONY- THE PENTAGON AUDITORIUM- 25 MAY 2018
- In Memory of CTIC(IW/EXW) Shannon M. Kent
- Incredible Alaska Overland Rescue
- Indians in the War 1945
- Expand navigation for Influenza Influenza
- 1918 Influenza by Vice Admiral Albert Gleaves, Commander of Convoy Operations in the Atlantic, 1917-1919.
- Admiral William B. Caperton of the 1918 Influenza on Armored Cruiser No. 4, USS Pittsburgh
- A Forgotten Enemy: PHS's [Public Health Service] Fight Against the 1918 Influenza Pandemic
- Great Flu Crisis at Mare Island Navy Yard.
- Influenza at the United States Naval Hospital, Washington, D.C.
- The Influenza Epidemic of 1918 by Carla R. Morrisey, RN, BSN
- Influenza of 1918 (Spanish Flu) and the US Navy
- Influenza on a Naval Transport
- Influenza-Related Medical Terms
- The Pandemic of Influenza in 1918-1919
- Philadelphia, Nurses, and the Spanish Influenza Pandemic of 1918
- A Winding Sheet and a Wooden Box
- Information in Relation to the Naval Protection Afforded to The Commerce of the United States in the West India Islands, &c. &c.
- Injury and Destruction of Navy Vessels by Earthquakes, Dec. 1868
- Inquiry Into Occupation and Administration of Haiti and the Dominican Republic
- Instances of Use of US Armed Forces Abroad, 1798 - 2004
- Instructional Material for the Fight Against Enemy Propaganda
- Instructions for the examination and entry into United States Ports in time of war
- Instructions on Reception, Care and Training of Homing Pigeons
- Inter-Allied Naval Relations and the Birth of NATO
- Interrogation of General Alfred Jodl
- Interrogations of Japanese Officials - Vol. I & II
- Invasion of Sicily
- The Invasion of Southern France: Aerology and Amphibious Warfare
- Iran, Gulf Security, and U.S. Policy
- Iran Hostage - Rescue Mission Report
- Irregular Enemies and the Essence of Strategy
- Irregular Warfare Special Study
- Instructions for Painting and Cementing Vessels of the United States Navy
- Expand navigation for J J
- Japan's Struggle to End the War - 1946
- Japanese Interrogation Of Prisoners Of War
- Japanese Naval and Merchant Shipping Losses - WWII
- Japanese Naval Ground Forces
- Japanese Naval Shipbuilding
- Japanese Operational Aircraft CinCPOA 105-45
- Japanese Operational Aircraft CinCPOA 105-45 Revised
- Japanese Radio Communications and Radio Intelligence CinCPOA 5-45
- Japanese - Smithsonian War Background Study
- Expand navigation for Japanese Story of the Battle of Midway Japanese Story of the Battle of Midway
- Java Sea Campaign
- John Paul Jones
- John Paul Jones
- Journal of the Disasters in Afghanistan, 1841-2
- Expand navigation for K K
- Kite Balloons in Escorts
- Kosovo Naval Lessons Learned During Operation Allied Force
- Expand navigation for Korean War Chronology Korean War Chronology
- Korean War Interim Evaluation No 1
- Expand navigation for L L
- Lost of Flight 19 Official Accident Reports
- Landing Operations Doctrine, USN, FTP-167
- Expand navigation for Law of Naval Warfare: NWIP 10-2, 1955 Law of Naval Warfare: NWIP 10-2, 1955
- Law of Naval Warfare: Chapters 1 - 6
- Appendix A: Convention For the Adaption to Maritime War of the Principles of the Geneva Convention - X Hague, 1907
- Appendix B: Convention Concerning the Rights and Duties of Neutral Powers in Maritime War - XIII Hague, 1907
- Appendix C: Amelioration of the Condition of the Wounded and Sick
- Appendix D: Geneva Convention for the Amelioration of the Condition of the Wounded, Sick, and Shipwrecked Members of Armed Forces at Sea of August 12, 1949
- Appendix E: Geneva Convention Relative to the Treatment of Prisoners of War of August 12, 1949
- Appendix F: Geneva Convention Relative to the Protection of Civilian Persons in Time of War of August 12, 1949
- Appendix G-I
- Lend Lease Act, 11 March 1941
- Letter from President Harry S. Truman to Secretary of the Navy James V. Forrestal regarding the Five-Star Rank
- Lengthy Deployment: The Jeannette Expedition In Arctic Waters
- Letter to Mr. Ride
- Library Regulations - USS Pittsburgh
- Limited Duty Officer
- List of Authorized Abbreviations for Use in Bureau of Naval Personnel Messages (1958)
- List of Expeditions 1901-1929
- List of Patrol Squadron Deployments to Korea During the War
- Living Conditions in the 19th Century US Navy
- Log of the trip of the president to the Casablanca Conference 9-31 January, 1943
- The Logistics of Advance Bases
- Look at YOU in the United States NAVY
- Lookout Manual 1943
- Loss of Flight 19 Official Accident Reports
- Lost Patrol
- LSU Squadron Two Thanksgiving Dinner November 22 1951
- The Landings in North Africa
- Expand navigation for M M
- Magic Background of Pearl Harbor
- Magic Background of Pearl Harbor Vol. 2
- Magic Background of Pearl Harbor Vol. 2 Appendix
- Magic Background of Pearl Harbor Vol. 4
- Main Navy Building: Its Construction and Original Occupants
- Manual for Buglers, US Navy
- Manual of Commands and Orders, 1945
- Manual of Information Concerning Employments for the Panama Canal Service
- Marine Amphibious Landing in Korea, 1871
- Market Time (U) CRC 280
- Master File Drawings of German Naval Vessels
- Matthew Fontaine Maury: Benefactor of Mankind
- Menu Thanksgiving Day November 27, 1913
- Merchant Marines
- Merchant Ship Shapes
- Mers-el-Kebir Port Instructions for Merchant Vessels [1942]
- Mess Night Manual
- Midway in Retrospect: The Still Under Appreciated Victory
- Midway’s Operational Lesson: The Need For More Carriers
- Midway: Sheer Luck or Better Doctrine?
- Midway's Strategic Lessons
- Midway Plan of the Day Notes
- Military Sealift Command
- Military Service Records and Unit Histories
- Mine Sweeping Manual 1917
- Mine Warfare
- Mine Warfare in South Vietnam
- Expand navigation for Miracle Harbor Miracle Harbor
- Miscellaneous Actions in the South Pacific
- More Bang for the Buck: U.S. Nuclear Strategy and Missile Development 1945-1965
- My days aboard U.S.S. Santa Fe
- Expand navigation for N N
- Naming of Streets, Facilities and Areas On Naval Installations
- Narrative of Captain W.S. Cunningham, US Navy Relative to events on Wake Island in December 1941, and subsequent related events
- Narrative of Joshua Davis an American Citizen 1811
- Narrative of the Capture, Sufferings and Escape of Capt. Barnabas Lincoln
- Narrative of the March and Operations of the Army of the Indus
- Narrative of the United States' Expedition to the River Jordan and the Dead Sea
- Navajo Code Talker Dictionary
- Navajo Code Talkers: World War II Fact Sheet
- Naval Anecdotes Relating to HMS Leopard Versus USS Chesapeake, 24 June 1807.
- Expand navigation for Naval Armed Guard Service in World War II Naval Armed Guard Service in World War II
- Expand navigation for The Naval Bombing Experiments The Naval Bombing Experiments
- Naval District Manual 1927
- Naval Districts
- Naval Gun Factory (Washington Navy Yard) Facilities Data: World War II
- Naval Guns at Normandy
- Naval Memorial Service, Casting Flowers on the Sea in Honor of the Naval Dead
- Expand navigation for The Naval Quarantine of Cuba The Naval Quarantine of Cuba
- Naval Yarns by Captain Bartlett [manuscript]
- The Navy by Michael A. Palmer
- Navy and Defense Reform: A Short History and Reference Chronology
- Expand navigation for Navy and Marine Corps Awards Manual [Rev. 1953] Navy and Marine Corps Awards Manual [Rev. 1953]
- Pt. 1 - Personal Decorations
- Pt. 2 - Unit Awards
- Pt. 3 - Special and Commemorative Medals
- Pt. 4 - Campaign and Service Medals
- Pt. 5 - Decorations Awarded By Foreign Governments
- Pt. 6 - Other Federal Decorations (non-military)
- Index
- Memo - Changes
- Ships & Other Units Eligible for the Korean Service Medal
- Navy at a Tipping Point - 2010
- Navy Civil War Chronology
- The Navy Department A brief history until 1945
- Navy Department Communiques 1-300 and Pertinent Press Releases
- Navy Department Communiques 301 to 600
- Navy Filing Manual 1941
- Navy Force Structure and Shipbuilding Plans - 2016
- The Navy in the Cold War Era, 1945-1991
- Navy Interdiction Korea Vol. II
- Navy Nurse Corps General Uniform Instructions 1917
- The Navy of the Republic of Vietnam
- Navy Records and [Navy Department] Library (E Branch)
- Navy Regulations, 1814
- Navy Ship Procurement: Alternative Funding Approaches
- Navy Ship Propulsion Technologies - 2006
- Navy Shipboard Lasers for Surface, Air, and Missile Defense
- Navy-Yard, Washington, History by Hibben
- The Navy's World War II-era Fleet Admirals
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- Forward Presence in the Modern Navy: From the Cold War to a Future Tailored Force
- Historiography of Programming and Acquisition Management since 1950 - Hone
- Historiography of Technology Since 1950
- Naval Personnel since 1945: Areas for Historical Research
- Navy, Science, and Professional History
- The Social History of the U.S. Navy, 1945–Present
- U.S. Navy’s Role in National Strategy
- Writing U.S. Naval Operational History 1980–2010
- Negro in the Navy - 1947
- Negro in the Navy by Miller
- Neutrality Instructions US Navy 1940
- New Equation: Chinese Intervention into the Korean War
- A New Look at the Cuban Missile Crisis
- Nixon's Trident: Naval Power in Southeast Asia, 1968-1972 by John D. Sherwood
- Nomenclature of Decks
- Nomenclature of Naval Vessels
- Non-Discrimination in V-12 Program
- Northern Barrage and Other Mining Activities
- Northern Barrage: Taking Up Mines
- Northern Formosa, Pescadores
- Notes on Anti-submarine Defenses ONI Publication No. 8
- Notes on Writing Naval (not Navy) English
- Expand navigation for O O
- Occupation of Kiska
- Occupation of the Gilbert Islands
- The Offensive Navy Since World War II: How Big and Why, A Brief Summary
- Office of Naval Records and Library 1882-1946
- Officers and Key Personnel Attached to the Office of Naval Records and Library 1882-1946
- Officers of the Continental Navy and Marine Corps
- Officers of Navy Yards, Shore Stations, and Vessels, 1 January 1865
- Expand navigation for Officers of the Continental and U.S. Navy and Marine Corps 1775-1900 Officers of the Continental and U.S. Navy and Marine Corps 1775-1900
- Marine Corps Officers: 1798-1900
- Continental Navy Officers: 1775-1785
- Continental Marine Corps Officers: 1775-1785
- Navy Officers: 1798-1900 (A)
- Navy Officers: 1798-1900 (B)
- Navy Officers: 1798-1900 (C)
- Navy Officers: 1798-1900 (D)
- Navy Officers: 1798-1900 (E)
- Navy Officers: 1798-1900 (F)
- Navy Officers: 1798-1900 (G)
- Navy Officers: 1798-1900 (H)
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- Navy Officers: 1798-1900 (L)
- Navy Officers: 1798-1900 (M)
- Navy Officers: 1798-1900 (N)
- Navy Officers: 1798-1900 (O)
- Navy Officers: 1798-1900 (P)
- Navy Officers: 1798-1900 (Q)
- Navy Officers: 1798-1900 (R)
- Navy Officers: 1798-1900 (S)
- Navy Officers: 1798-1900 (T)
- Navy Officers: 1798-1900 (U)
- Navy Officers: 1798-1900 (V)
- Navy Officers: 1798-1900 (W)
- Navy Officers: 1798-1900 (Y)
- Navy Officers: 1798-1900 (Z)
- "Official" USS Missouri Survival Guide
- Expand navigation for Operation Crossroads Operation Crossroads
- Expand navigation for Operation NEPTUNE - The Invasion of Normandy Operation NEPTUNE - The Invasion of Normandy
- Table of Contents - Operation NEPTUNE
- Editor's Note - Operation Neptune
- Chapter 1: THE STRATEGIC BACKGROUND OF OVERLORD
- Chapter 2: PLANNING AND PREPARATION FOR CROSS-CHANNEL (OVERLORD) OPERATIONS
- Chapter 3: THE STRATEGIC BACKGROUND OF OVERLORD
- Chapter 4: NEPTUNE OPERATIONS PLANS
- Chapter 5: Naval Preparations for Cross-Channel Operations
- Chapter 6: The Operation Begins
- Chapter 7: Defensive Measures - NEPTUNE Operation
- Chapter 8: Bombardment and Other Defensive Operations Against Enemy Land Forces
- Chapter 9: The NEPTUNE Assaults
- Chapter 10: The Build-up for the Battle of France
- Operation NEPTUNE - Index
- Operation NEPTUNE Administrative History's Table of Contents
- Expand navigation for Operation Neptune Operation Neptune
- Operations of the Navy and Marine Corps in the Philippine Archipelago
- Operations of the Seventh Amphibious Force
- Operations of USS Don Juan de Austria
- OPNAV [Office of the Chief of Naval Operations] Acronyms
- Origin of Navy Terminology
- Our Vanishing History and Traditions - Knox
- Operation of the Admiral Scheer
- Our Navy at War
- Expand navigation for P P
- Expand navigation for Pacific Typhoon, 18 December 1944 Pacific Typhoon, 18 December 1944
- Admiral Nimitz's Pacific Fleet Confidential Letter on Lessons of Damage in Typhoon
- List of Commands and Ships Involved
- Personnel Casualties Suffered by Third Fleet, 17-18 December 1944, Compiled from Official Sources
- Aircraft Losses Suffered by Third Fleet, 17-18 December 1944, Compiled From Official Sources
- Extracts Relating to the Typhoon from Commander in Chief, Pacific Fleet Report
- Oral History
- Expand navigation for Pacific Typhoon, June 1945 - Reports Pacific Typhoon, June 1945 - Reports
- Pacific Typhoon October 1945 - Okinawa
- Peacekeeping and Related Stability Operations: Issues of U.S. Military Involvement
- The Pearl Harbor Attack, 7 December 1941 - Overview
- Pearl Harbor Navy Medical Activities
- Expand navigation for "Pearl Harbor Revisited: USN Communications Intelligence" "Pearl Harbor Revisited: USN Communications Intelligence"
- Pearl Harbor Salvage Report 1944
- Pearl Harbor Submarine Base 1918-1945
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- USS Arizona - Reports by Survivors of Pearl Harbor Attack
- USS California- Reports by Survivors of Pearl Harbor Attack
- USS Maryland - Reports by Survivors of Pearl Harbor Attack
- USS Oklahoma - Reports by Survivors of Pearl Harbor Attack
- USS Tennessee - Report by Survivor of Pearl Harbor Attack
- USS West Virginia - Reports by Survivors of Pearl Harbor Attack
- Pearl Harbor: Why, How, Fleet Salvage and Final Appraisal
- Pentagon 9/11
- Expand navigation for Personal Identification Tags or "Dog Tags" Personal Identification Tags or "Dog Tags"
- Perspectives on Enhanced Interrogation Techniques
- Expand navigation for Philadelphia Experiment Philadelphia Experiment
- Phonetic Alphabet and Signal Flags
- The Pioneers - A Monograph on the First Two Black Chaplains in the Chaplains Corps of the United States Navy
- The Pivot Upon Which Everything Turned
- Plea in Favor of Maintaining Flogging in the Navy
- Pocket Guide to Japan
- Pocket Guide to Netherlands East Indies
- Pocket Guide to New Guinea and the Solomons
- Expand navigation for Port Chicago, CA, Explosion Port Chicago, CA, Explosion
- Posse Comitatus Act and Related Matters: A Sketch
- Post Mortem CIC [Combat Information Center] Notes
- Post Mortems on Enemy Ships
- Potato Famine of 1847
- Precisely Appropriate for the Purpose
- Preserving an Honored Past
- Priceless Advantage by FD Parker
- Propaganda Foreign Military Studies 1952
- Public Law 333, 79th Congress
- Expand navigation for Pacific Typhoon, 18 December 1944 Pacific Typhoon, 18 December 1944
- Expand navigation for Q Q
- Expand navigation for R R
- Radio Intelligence Appreciations Concerning German U-Boat Activity in the Far East
- Radio Proximty (VT) Fuzes
- Ready Seapower: A History of the US Seventh Fleet by Edward J. Marolda [pdf]
- Recollections of Capture by the Germans, Imprisonment, and Escape of Lieutenant Edouard Victor Isaacs, U.S.N.
- Recollections of Ensign Leonard W. Tate
- Recollections of Lieutenant Commander William Leide
- Recollections of Lieutenant Wilton Wenker and Lieutenant Elby Concerning the Crossing of the Rhine River in 1945
- Recollections of USS Pampanito's rescue of prison ship survivors by Lieutenant Commander Landon Davis
- Recollections of Vice Admiral Alan G. Kirk Concerning the Crossing of the Rhine River in 1945
- Reestablishment of the Marine Corps
- Expand navigation for Registers of the Navy Registers of the Navy
- Register of the Navy, 1812
- Register of the Navy, 1814
- Register of the Navy, 1815
- Register of the Navy, 1816
- Register of the Navy, 1818
- Register of the Navy, 1819
- Register of the Navy, 1820
- Register of the Navy, 1821
- Register of the Navy, 1822
- Register of the Navy, 1823
- Register of the Navy, 1824
- Register of the Navy, 1825
- Register of the Navy, 1826
- Register of the Navy, 1827
- Register of the Navy, 1829
- Register of the Navy, 1830
- Register of the Navy, 1831
- Register of the Navy, 1832
- Register of the Navy, 1833
- Register of the Navy, 1834
- Register of the Navy, 1836
- Register of Patients at Naval Hospital Washington DC 1814
- Register of USN & USMC Officer Personnel 1801-1807 [pdf]
- Regulation, December 7, 1841
- Regulations for the Information of Officers On Neutrality Duty in Connection With the Visits of Belligerent Vessels of War [1916]
- Regulations For Powder Magazines and Shell Houses 1874
- Regulations Governing the Uniform of Commissioned Officers 1897
- Reincarnation of John Paul Jones The Navy Discovers Its Professional Roots
- Religions of Vietnam
- Remarks on Protection of a Convoy by Extended Patrols
- Remarks on Submarine Tactics Against Convoys
- Reminiscences of Seattle Washington Territory and the U. S. Sloop-of-War Decatur
- Reminiscences of Seattle Washington Territory and the US Sloop-of-War Decatur During the Indian War of 1855-56
- Report by the Special Subcommittee on Disciplinary Problems in the US Navy
- Reports of Arica, Peru Earthquake from USS Powhatan and USS Wateree
- Republic of Korea Navy
- Resolution of the Continental Congress, 11 December 1775
- Resolution of the Continental Congress, 25 November 1775
- Hyman G. Rickover's Promotion to Admiral [H.A.S.C. 93-16]
- Ringle Report on Japanese Internment
- Riverine Warfare Manual [1971]
- Riverine Warfare: The US Navy's Operations on Inland Waters
- Rocks and Shoals: Articles for the Government of the U.S. Navy
- The Recruitment of African Americans in the US Navy 1839
- The Role of COMINT in the Battle of Midway
- The Role of the United States Navy in the Formation and Development of the Federal German Navy, 1945-1970
- Rommel and the Atlantic Wall
- Royal Works USS Lexington [Crossing the Line 1936]
- Rules for the Regulation of the Navy - 1775
- The Russian Navy Visits the United States
- Expand navigation for S S
- SACO
- Expand navigation for Sailors as Infantry in the US Navy Sailors as Infantry in the US Navy
- The Sailors Creed
- Samoan Hurricane
- A Sampling of U.S. Naval Humanitarian Operations
- Expand navigation for Seabee History Seabee History
- Secretary of the Navy's Report for 1900 on the China Relief Expedition
- Expand navigation for Selected Documents of the Spanish American War Selected Documents of the Spanish American War
- Battle of Manila Bay
- Battle of Manila Bay: Miscellaneous Documents
- Olympia in Battle of Manila Bay
- Raleigh in Battle of Manila Bay
- Concord in Battle of Manila Bay
- Baltimore in Battle of Manila Bay
- Petrel in Battle of Manila Bay
- Boston in Battle of Manila Bay
- McCulloch in Battle of Manila Bay
- U.S. Consul at Manila
- Official Spanish Report on Battle of Manila Bay
- Expand navigation for Selected Groups in the Republic of Vietnam Selected Groups in the Republic of Vietnam
- Seventh Amphibious Force - Command History 1945
- Shelling of the Alaskan Native American Village of Angoon, October 1882
- Ship to Shore Movement
- Ship Shapes Anatomy and types of Naval Vessels
- Shipboard Ettiquette [Naval R. O. T. C. Pamphlet No. 16]
- Shiploading - A Picture Dictionary
- Expand navigation for Ships named for Individual Sailors Ships named for Individual Sailors
- Ships Present at Pearl Harbor
- Ships Sunk and Damaged in Action during the Korean Conflict
- A Short Account of the Several General Duties of Officers, of Ships of War: From an Admiral, Down to the Most Inferior Officer
- Short Guide to Iraq
- The Sicilian Campaign, Operation 'Husky'
- Signals for the Use of the Navy of the Confederate States
- Sinking of C.S.S. Alabama by U.S.S. Kearsarge - 19 Jun 1864
- Expand navigation for Sinking of the Bismarck Sinking of the Bismarck
- Sinking of the USS Guitarro
- The Sinking of the USS Housatonic by the Submarine CSS H.L. Hunley
- Expand navigation for Sinking of USS Indianapolis - Press Releases & Related Sources Sinking of USS Indianapolis - Press Releases & Related Sources
- Expand navigation for Skill in the Surf: A Landing Boat Manual Skill in the Surf: A Landing Boat Manual
- Chapter I. Landing Boats Are Important!
- Chapter II. Landing Craft From Troy to Tokio
- Chapter III. Know Your Boat!
- Chapter IV. Know Your Job!
- Chapter V. Keep It Running!
- Chapter VI. The Coxswain Takes Over
- Chapter VII. Learning the Ropes
- Chapter VIII. The Salvage Boat
- Chapter IX. Where Sea Meets Land
- Chapter X. Hit That Beach!
- Chapter XI. Information, Please!
- Appendix A
- Appendix B
- Appendix C
- Appendix D
- Appendix E
- Appendix F
- Appendix G
- Appendix H
- Appendix I
- Appendix J
- Skunks, Bogies, Silent Hounds, and the Flying Fish
- Slapton Sands: The Cover-up That Never Was
- Small Wars Their Principles and Practice
- Smith, Melancton Rear Admiral USN A Memoir
- Smoker Sat., July 27, 1918 U.S.S. Arizona
- So You are Going to the South Pacific?
- Soldier's Guide Bosnia-Herzegovina
- Solomon Islands Campaign: I The Landing in the Solomons
- Solomon Islands Campaign: II Savo Island & III Eastern Solomons
- Solomon Islands Campaign: IV Battle of Cape Esperance
- Solomon Islands Campaign VII Battle Tassafaronga
- Solomon Islands Campaign IX Bombardments of Munda and Vila-Stanmore
- Solomon Islands Campaign: X Operations in the New Georgia Area 21 June-5 August 1943
- Solomon Islands Campaign: XI Kolombangara and Vella Lavella 6 August - 7 October 1943
- Solomon Islands Campaign XII The Bougainville Landing and the Battle od Empress Augusta Bay, 27 October - 2 November 1943
- Some Experiences Reported by the Crew of the USS Pueblo and American Prisoners of War from Vietnam
- Some Memorandums Construction of Ships Frederick Tudor
- Somers, essay on legal aspects of Somers Affair
- Sources on US Naval History by State
- Expand navigation for Spanish American War Spanish American War
- Report of the Secretary of the Navy, 1898 Part 1
- Report of the Secretary of the Navy, 1898 Part 2
- Report of the Secretary of the Navy, 1898 Part 3
- Report of the Secretary of the Navy, 1898 Part 4
- Report of the Secretary of the Navy, 1898 Part 5
- Report of the Secretary of the Navy, 1898 Part 6
- Report of the Secretary of the Navy, 1898 Part 7
- Report of the Secretary of the Navy, 1898 Part 8
- Report of the Secretary of the Navy, 1898 Part 9
- Report of the Secretary of the Navy, 1898 Part 10
- Report of the Secretary of the Navy, 1898 Part 11
- Report of the Secretary of the Navy, 1898 Part 12
- Report of the Secretary of the Navy, 1898 Part 13
- Report of the Secretary of the Navy, 1898 Part 14
- Spanish-American War; War Plans and Impact on U.S. Navy
- Special Order 1865 April 17 Assemblage of Officers to Attend
- Special Order 1865 April 17 Navy Department Closure
- Special Order 1865 April 17 Officers to Attend Funeral
- Special Order 1865 April 20 List of Officers to Accompany Remains
- Special Order No. 73 - 1905 April 18 Travel Pay
- Expand navigation for Specifications for Ship and Motor Boat Bells Specifications for Ship and Motor Boat Bells
- Sports in the Navy: 1775 to 1963
- Stalin's Cold War Military Machine: A New Evaluation
- Statement Regarding Winds Message
- The Story Of The Confederate States' Ship Virginia
- Strait Comparison: Lessons Learned from the 1915 Dardanelles Campaign
- Strategic Concepts of the U.S. Navy (NWP 1 A)
- Striking the Flag
- Structural Repairs in Forward Areas During WWII
- Study of the General Board of the U.S. Navy, 1929-1933
- Submarine Activities Connected with Guerrilla Organizations
- Expand navigation for Submarine Sighting Guide ONI 31-2A Submarine Sighting Guide ONI 31-2A
- Submarine Sighting Guide ONI 31SS-Rev. 1
- Submarine Silhouette Book No. 1
- Submarine Turtle Naval Documents
- Surprised at Tet: U.S. Naval Forces in Vietnam, 1968
- Survey of the Amazon- Selfridge
- Survival of the Collection of the Navy Department Library
- Syria's Chemical Weapons: Issues for Congress
- Expand navigation for T T
- Tactical Lessons of Midway
- Target Information From CIC [Combat Information Center]
- Expand navigation for Terminology and Nomenclature Terminology and Nomenclature
- Terrorism in Southeast Asia
- Terrorism: Some Legal Restrictions on Military Assistance
- Tet: The Turning Point in Vietnam
- This is Ann - Malaria
- Time of Change: National Strategy in the Early Postwar Era
- Titanic Disaster: Report of Navy Hydrographic Office
- Tokyo a Study in Jap Flak Defense
- Tokyo Bay: The Formal Surrender of the Empire of Japan
- Expand navigation for Tonkin Gulf Crisis Tonkin Gulf Crisis
- Tonkin Gulf Crisis, August 1964 - Summary
- Formerly Classified Documents from 2 August - 4 August 1964
- Formerly Classified Documents Subsequent to 4 August 1964
- Publicly Released Information
- Gulf of Tonkin the 1964 Incidents
- Gulf of Tonkin the 1964 Incidents [Part II]
- Acronyms, Abbreviations, and Code Words
- Tonkin Gulf Crisis Select Bibliography
- Torpedo War - Rodgers - Fulton
- Training Ships
- The Trial of Admiral Doenitz
- Tsunami (Tidal Wave) Disasters
- 20th Century Warriors: Native American Participation in the United States Military
- Typhoons and Hurricanes: The Effects of Cyclonic Winds on US Naval Operations
- Typhoons and Hurricanes: The Storm at Apia, Samoa, 15-16 March 1889
- Expand navigation for U U
- U-2s, UFOs, and Operation Blue Book
- U-94 Sunk By USN PBY Plane and HMCS Oakville 8-27-42
- U-162 Sunk By HM Ships Pathfinder, Vimy, and Quentin 9-3-42
- U-210 Sunk By HMCS Assiniboine 7-6-42
- U-352 Sunk By U.S.C.G. Icarus 5-9-42
- U-505 Sinking
- U-571, World War II German Submarine
- U-595 Scuttled and Sunk Off Cape Khamis, Algeria 11-14-42
- U-701 Sunk By US Army Attack Bomber No. 9-29-322, Unit 296 B.S. 7-7-42
- U-Boat War in the Caribbean: Opportunities Lost
- Ultra and the Campaign Against U-boats in World War II
- Underwater earthquake disasters and the U.S. Navy
- Uniform Regulations, 1797
- Uniform Regulations, 1802
- Uniform Regulations, 1814
- Uniform Regulations, 1833
- Uniform Regulations, 1841
- Uniform Regulations, 1852
- Expand navigation for Uniform Regulations, 1864 Uniform Regulations, 1864
- General Regulations: Full Dress, Undress, Service Dress
- Coats, Overcoats, Jackets
- Cuff and Sleeve Ornaments
- Pantaloons, Vests
- Part 1: Rear Admiral to Ensign
- Part 2: Engineer Corps
- Part 3: Professors, Secretaries
- Part 4: Medical Corps
- Part 5: Chaplains, Paymasters
- Part 6: Naval Constructors
- Part 7: Regulations for Wearing Shoulder Straps
- Cap and Cap Ornaments
- Straw Hats, Sword and Scabbard, Sword-Belt, Sword-Knot, Buttons, Cravat
- Dress for Petty Officers and Crew
- Uniform Regulations, 1866
- Uniform Regulations, 1869
- Uniform Regulations, Women's Reserve, USNR, 1943
- Expand navigation for Uniforms of the US Navy Uniforms of the US Navy
- Aiguillettes
- Uniform-Buttons
- Chief Petty Officers' Uniforms U.S. Navy
- Cold-Weather/Foul-Weather Wear
- Gas Masks and Breathing Apparatus U.S. Navy Uniform
- Hats/Caps
- Uniform and Dress of the Navy of the Confederate States
- Insignias U.S. Navy Uniform
- Maintenance/Care of Uniforms
- Men's Uniforms
- Pants/Bell-Bottoms
- Personal Appearance
- Seabags
- Navy Seabags
- Shirts/Jumpers
- Shoes
- Swords
- Naval Uniforms, misc.
- Women's Uniforms
- Petty Officer Rating Badge Locations and Eagle Designs
- Uniform Changes
- Historical Surveys of the Evolution of US Navy Uniforms
- Uniform Regulations
- History of US Navy Uniforms, 1776-1981
- Identification Tags ("Dog Tags")
- United States Atlantic Fleet Organization 1942
- United States Pacific Fleet Organization, 1 May 1945
- United States Naval Hospital Ships
- United States Naval Railway Batteries in France
- United States Navy and the Persian Gulf
- United States Navy and World War I: 1914–1922
- United States Navy's World of Work
- Expand navigation for United States Submarine Losses World War II United States Submarine Losses World War II
- Notes to US Submarine Losses in World War II
- Introduction
- Albacore (SS 218)
- Amberjack (SS 219)
- Argonaut (SS 166)
- Barbel (SS 316)
- Bonefish (SS 223)
- Bullhead (SS 332)
- Capelin (SS 289)
- Cisco (SS 290)
- Corvina (SS 226)
- Darter (SS 227)
- Dorado (SS 248)
- Escolar (SS 294)
- Flier (SS 250)
- Golet (SS 361)
- Grampus (SS 207)
- Grayback (SS 208)
- Grayling (SS 209)
- Grenadier (SS 210)
- Growler (SS 215)
- Grunion (SS 216)
- Gudgeon (SS 211)
- Harder (SS 257)
- Herring (SS 233)
- Kete (SS 369)
- Lagarto (SS 371)
- Perch (SS 176)
- Pickerel (SS 177)
- Pompano (SS 181)
- R-12 (SS 89)
- Robalo (SS 273)
- Runner (SS 275)
- S-26 (SS 131)
- S-27 (SS 132)
- S-28 (SS 133)
- S-36 (SS 141)
- S-39 (SS 144)
- S-44 (SS 155)
- Scamp (SS 277)
- Scorpion (SS 278)
- Sculpin (SS 191)
- Sealion (SS 195)
- Seawolf (SS 197)
- Shark I* (SS 174)
- Shark 2* (SS 314)
- Snook (SS 279)
- Swordfish (SS 193)
- Tang (SS 306)
- Trigger (SS 237)
- Triton (SS 201)
- Trout (SS 202)
- Tullibee (SS 284)
- Wahoo (SS 238)
- German U-Boat Casualties in World War Two
- Italian Submarine Casualties in World War Two
- Japanese Submarine Casualties in World War Two (I and RO Boats)
- Unmanned Vehicles for U.S. Naval Forces: Background and Issues for Congress
- US Democracy Promotion Policy in the Middle East
- US-Greek Naval Relations Begin
- US Marines at Pearl Harbor
- US Mining and Mine Clearance in North Vietnam
- US Naval Detachment in Turkish Waters, 1919-1924
- US Naval Forces in Northern Russia 1918-1919
- US Naval Plans for War with the United Kingdom in the 1890s
- US Naval Port Officers in the Bordeaux Region, 1917-1919
- Expand navigation for US Navy Abbreviations of World War II US Navy Abbreviations of World War II
- Expand navigation for US Navy and Hawaii-A Historical Summary US Navy and Hawaii-A Historical Summary
- US Navy at War Second Official Report
- US Navy at War Final Official Report
- US Navy Capstone Strategies and Concepts (1970-1980)
- US Navy Capstone Strategies and Concepts (1974-2005)
- US Navy Capstone Strategies and Concepts (1981-1990)
- US Navy Capstone Strategies and Concepts (1991-2000)
- US Navy Capstone Strategies and Concepts (2001-2010)
- US Navy Capstone Strategy, Policy, Vision and Concept Documents
- US Navy Code Words of World War II
- US Navy Congo River Expedition of 1885
- US Navy Forward Deployment 1801-2001
- Expand navigation for US Navy in Desert Shield/Desert Storm US Navy in Desert Shield/Desert Storm
- Executive Summary
- Overview: Desert Storm - The Role of the Navy
- The Gathering Storm
- A Common Goal - Joint Ops
- Bullets, Bandages and Beans - Logistic Ops
- Thunder and Lightning - The war with Iraq
- Epilogue
- Lessons Learned
- Appendix B: Participating Naval Units
- Appendix A: Chronology - August 1990
- Appendix A: Chronology - September 1990
- Appendix A: Chronology - October 1990
- Appendix A: Chronology - November 1990
- Appendix A: Chronology - December 1990
- Appendix A: Chronology - January 1991
- Appendix A: Chronology - January 1991 cont.
- Appendix A: Chronology - February 1991
- Appendix A: Chronology - March 1991
- Appendix A: Chronology - April 1991
- Appendix C: Allied Participation and Contributions
- Appendix D: Aircraft Sortie Count
- Appendix E: Aircraft Readiness Rates
- Appendix F: Aircraft and Personnel Losses
- Appendix G: Naval Gunfire Support
- Appendix H: Surface Warfare
- Appendix I: Unmanned Aerial Vehicles
- Appendix K: Sealift
- Appendix L: Airlift
- US Navy in the World (2001-2010)
- Expand navigation for US Navy instruction for the destruction of signal books, 1863 US Navy instruction for the destruction of signal books, 1863
- US Navy Interviewer's Classification Guide
- US Navy Libraries
- US Navy Libraries: Historic Documents
- US Navy Motor Torpedo Boat Operational Losses
- US Navy Nurse Corps General Uniform Instructions, 1917
- US Navy in Operation Enduring Freedom, 2001-2002
- US Navy Personnel in World War II: Service and Casualty Statistics
- US Navy Personnel Strength, 1775 to Present
- US Navy Sailors Operating Ashore as Artillerymen Roth
- US Navy Ships Lost in Selected Storm/Weather Related Incidents
- US Navy Special Operations in the Korean War
- US Navy Submarines Losses, Selected Accidents, and Selected Incidents of Damage Resulting from Enemy Action, Chronological
- US Occupation Assistance: Iraq, Germany and Japan Compared
- US Occupation of Haiti, 1915-1934
- US Prisoners of War and Civilian American Citizens Captured
- US Radar: Operational Characteristics of Radar Classified by Tactical Application
- Use of Naval Forces in the Post-War Era
- U.S.S. Colorado BB-45 Diary
- U.S.S. Searaven S.S. 196 4 July 1945
- Expand navigation for USS Constitution's Battle Record USS Constitution's Battle Record
- USS John S. McCain (DDG 56) Memorial Ceremony
- USS Kearsarge Rescues Soviet Soldiers, 1960
- USS Monitor Versus CSS Virginia and the Battle for Hampton Roads
- USS Pirate; Selected documents on the Salvage of USS Pirate and USS Pledge
- USS Vega, Report of Pearl Harbor Attack
- USS West Virgina, Report of Salvage, Pearl Harbor
- The U.S. Navy Enlistment, Instruction, Pay and Advancement
- Expand navigation for V V
- Expand navigation for W W
- Expand navigation for War Damage Reports War Damage Reports
- Destroyer Report - Gunfire, Bomb and Kamikaze Damage
- Destroyer Report - Torpedo and Mine Damage and Loss in Action
- Submarine Report - Vol. 1, War Damage Report No. 58
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Operations of the Seventh Amphibious Force
Aerology and Amphibious Warfare - NAVAER 50-30T-3

Confidential [Declassified]
NAVAER 50-30T-3
Aerology and Amphibious Warfare
Operations of the Seventh Amphibious Force
Part One
30 June 1943 to 2 January 1944
CHIEF OF NAVAL OPERATIONS
AEROLOGY SECTION
WASHINGTON, D.C.
AUGUST 1944
Foreword
This is one of a series of pamphlets dealing with the weather aspects of Naval and Amphibious Warfare. The data on which these studies are based are taken from official documents and reports submitted to the Navy Department. The material has been collated and presented in a semi-technical form with particular attention given to the operational aspects of weather.
During the preparation of this study, it was found that weather data submitted by the various commands were occasionally at variance. An effort has been made to reconcile these differences in order to provide an accurate account of the sequence of weather conditions as forecast for the Force Commander, to describe the actual weather conditions observed during the operation, and to give a practical explanation of these weather conditions.
It is hoped that these studies will afford a clear view of the use of weather information during the planning, strategical, and tactical phases of the operation, and that they will form a basis for a better understanding of the application of weather information in future operations.
The primary objective of these analyses is to assist those officers who are charged with the responsibility for the planning and execution of similar operations.
[Signature: Aubrey Wray Fitch]
Vice Admiral, U.S.N.,
Deputy Chief of Naval Operations, (Air).
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1. WOODLARK AND KIRIWINA ISLANDS--30 JUNE 1943.
2. LAE, NEW GUINEA--4 SEPTEMBER 1943.
3. FINSCHHAFEN, NEW GUINEA--22 SEPTEMBER 1943.
4. ARAWE, NEW BRITAIN--15 DECEMBER 1943.
5. CAPE GLOUCESTER, NEW BRITAIN--26 DECEMBER 1943.
6. SAIDOR, NEW GUINEA--2 JANUARY 1944.
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Operations of the Seventh Amphibious Force
A Summary of the Significance of Weather in These Operations
- Rule-of-Thumb Weather Adages Common to the Area Were Often Incorrect and Misleading.
- Modern Methods of Weather Analysis Were Able to Indicate Favorable Periods for Landing Operations, Even During a Season When the Weather Was Generally Unfavorable.
- Weather Reports From Observers Aboard P.T. Boats Operating in an Advanced Area Were of Great Value.
- Expected Weather Conditions Were Employed to Great Advantage During the Strategic and Tactical Phases of These Operations.
Introduction
Weather in the New Guinea - Solomon Islands area can be attributed to the operation of two factors. The first, which is the more important since it is in control for the greater fraction of time, is the wind circulation around the South Pacific high pressure area. As a first approximation, modification in the weather in this region is due to modification in the pressure system. Since the system shows only a seasonal variation, weather experienced on these islands remains reasonably constant for a considerable period of time. The second factor, however, results in the occasional interruption of this seasonal trend. Small-scale pressure systems in the form of fronts or wave cyclones occasionally move across the region and during their passage produce atypical weather at the islands.
A weather forecast for this region requires a consideration of both factors. For the most part, climatic averages give an accurate representation of the actual weather to be encountered, but the possibility of a small-scale pressure disturbance entering the region and altering the weather must always be considered before a final forecast is issued.
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Tropical South Pacific Weather
Type I--Trade Weather
When consideration is given the different varieties of weather experienced on the islands, it becomes apparent that these can be divided into four major types. In order to provide a background for the discussion of weather and the operations, these principal types will be discussed here. Trade winds flowing around the semipermanent high pressure area produce a weather pattern so definite that it must be labelled "Trade Weather." Trade air originates in the polar regions but it is much modified in its lower layers by a long trajectory over water. Clouds are of the typical "trade wind cumulus type" covering large fractions of the sky. Widespread precipitation is rare in this air mass; scattered showers of short duration are more usual. Flying conditions are uniformly good.
The strength of the trades is quite variable depending upon the intensity of the high pressure area around which they flow. During periods of abnormally intense development, they may blow for a few days with a velocity of 15--20 knots. Then the sea becomes quite rough and swells are generated which often exceed the safe operating limit for small craft.
On the other hand, the trades may become quite weak, 5-8 knots, when the high pressure area is less intense. In the low latitudes around the Solomon Islands--New Guinea area this condition may persist sufficiently long to produce light seas ideal for small craft operations.
The trade winds are characterized in these regions by their east-northeast to south-southeast direction, the east-southeast and southeast winds showing predominance.
The trade circulation is strongest during the Southern Hemisphere winter. As a result of this circulation, the equatorial front (zone of convergence between the trades of the two hemispheres) with its accompanying bad weather remains well to the north from May through October. Throughout most of the island area, weather is best during these months. Along the coast of New Guinea, however, marked uplift by the coastal range produces high cloud cover and frequent rains.
Type II--Cold Front
From time to time, the flow of the trades is interrupted by a cold front. During the Southern Hemisphere winter, a series of cold fronts passes across Australia. Although all of these fronts do not maintain their identity after leaving the continent, an occasional strong cold front will move into the tropical latitudes. Some of these fronts are quite pronounced and are accompanied by widespread thunderstorm activity, heavy showers, and generally poor weather. For the few days that they persist before the trades are re-established, flying conditions are below average or bad over a considerable area.
Most of these dissipate gradually in the tropics but, on occasion, a portion of the stagnant front will move back to the south as a warm front, giving widespread areas of bad weather. This condition may persist for a considerable period of time as different portions of the front are involved. Until the front finally dies, the frontal area is marked by a widespread cloud cover regardless of the direction of motion.
--2--
Type III--Equatorial Front Over The Area
During the Southern Hemisphere summer, the high pressure over Australia weakens and is gradually replaced by a low pressure area. The trades then become intermittent or vanish and the effect of circulation from the Northern Hemisphere is felt in this region. The equatorial front moves south eventually reaching the Solomon Islands--New Guinea area.
The frontal zone may vary in width between 25 and 150 miles and is generally characterized by cloudy or overcast skies, heavy precipitation, and lowered visibility. Weather is usually unsatisfactory for military operations employing aircraft or small boats.
Type IV--Equatorial Front South of the Area
When the equatorial front moves beyond the islands, the region is covered with an abnormally warm and moist equatorial air mass. Over ocean areas, good weather conditions are usually experienced but the inherent instability is frequently manifest over land when heating at the ground or orographic lifting produces widespread cloud cover, showers, and thunderstorms.
Although air and landing operations are little affected by this weather type, the consistently high relative humidity and consequent slow rate of evaporation hamper ground activity. With frequent rain and showers, traffic is bogged down. Consolidation and construction is severely handicapped by trafficability conditions. Despite this handicap, weather is more favorable for military operations with the front south of the islands than over them.
Sea and Swell
The state of the sea is unquestionably a vital element in the execution of a landing operation. A disturbed ocean surface is the result of the combination of sea and swell. The former refers to the disturbances resulting from the action of local winds, while swell is the result of a periodic motion of the water which, generated by wind action at one locality, is felt at some distance from the point of origin. At any beach, the complexity due to the combination of sea and swell is further increased by the effect of ocean-floor contour and beach topography.
Even in areas where sea and swell observations are numerous, the problem of forecasting surf height is difficult. In a region like the South Pacific where data are few or entirely absent, the difficulty is tremendously magnified.
Strategic and Tactical Use of Weather
The solution of such problems as the selection of landing beaches, the maintenance of air coverage, and the planning of the operational time-table is determined by a study of average weather conditions. Compilation of critical data for the area of projected operations is the first phase of strategic weather planning.
Tactical considerations which are concerned with the occurrence or absence of particular weather conditions on the scheduled D-Day cannot be related to average weather. The process of averaging, by its very nature, removes or smooths out all extremes. To obtain information concerning weather on a particular day, the current weather situation as portrayed on a synoptic
--3--
map must be projected forward 24-36 hours. The degree of reliance to be placed upon forecasts of this type is determined largely by the number of weather reports available, the skill of the forecaster, and the period of time covered by the forecast.
Auxiliary Weather Aids
For the occupation of Woodlark and Kiriwina, the weather reporting network was sufficient to permit accurate analysis and forecasting. During the planning stage of the assault against Lae, it was realized that regular reports from the area outside our own network were necessary. Accordingly, four aerographer's mates were transferred to an advanced P.T. base where, as members of combat crews, they could transmit weather reports from enemy territory upon completion of each patrol. During the period of this duty assignment, each aerographer's mate made over 50 combat patrols. The weather information from this source proved invaluable in the operations at Lae, Finschhafen, Arawe, Cape Gloucester, and Saidor.
THE OCCUPATION OF WOODLARK AND KIRIWINA
30 June 1943
Without giving consideration to the military urgency requiring the occupation of these islands, it is possible to determine the specific weather requirements for the operation, and the probability of fulfilling these requirements during the month of June. Finally, the actual weather encountered can be evaluated with respect to its effect on the outcome.
The contemplated strategy demanded the following weather-dependent conditions:
Strategic Requirements
1. Landing beaches selected in such a way as to obtain maximum expectancy of favorable sea and swell.
2. Protection for the repair ship (which also served as flagship) at its anchorage in Milne Bay.
3. Air coverage for the landing parties. The solution to these problems could be found in a consideration of average weather conditions in June.
JUNE
AVERAGE WEATHER
WEATHER AT WOODLARK AND KIRIWINA REFLECTS THE TRADE WIND REGIME OF THE SURROUNDING OCEAN AREA. CLOUD COVER AVERAGES FOUR-TENTHS TO SIX-TENTHS. PRECIPITATION IN THE FORM OF HEAVY SHOWERS TOTALS 10--14 INCHES DURING THE MONTH. DIURNAL RANGE OF TEMPERATURE IS FROM 73°F TO 88°F.
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--5--
June Weather
The month of June marks the beginning of winter in the Southern Hemisphere with the result that the southeast trades become well established in most of the tropical area. In the southern part of the Coral Sea, the average wind velocity is about 15 knots, decreasing to 8 knots near the Solomons. Scattered to broken cumulus clouds at 2,000 feet, scattered showers, good visibility, and uniformly good flying conditions prevail about 90 percent of the time during this month. (See Chart page 5).
Between 15 June and 15 August when the trades are strongest, the uplift action of the mountains on Eastern New Guinea results in the formation of an extensive cloud cover. Otherwise, flying conditions throughout the area are good.
Fulfillment of Strategic Requirements
The landing beaches could be selected in accordance with average weather conditions. A beach located on the lee side of the island with respect to the average southeast winds would most probably meet sea and surf requirements.
The cloud cover produced by the lifting of the southeasterly current over the mountainous ridge on the southern coast of Eastern New Guinea could be expected to extend over Milne Bay. It was forecast that this cloud cover would provide the repair ship effective concealment from enemy observation.
Once the operation was scheduled, only two sets of weather conditions would be permitted to interfere with its execution. Arrangements were made to postpone the landings if air activity were entirely impossible. Also, if sea and surf conditions at the beaches made amphibious operations dangerous, D-Day could be delayed. Since the weather development which would create either of these undesirable conditions was the movement of a front off the Australian continent, it was expected that the aerological unit attached to the Seventh Amphibious Force could furnish adequate forecasts to permit the necessary postponement. The local squalls, which are frequent in the area during all seasons, were known to be of short duration and, therefore, relatively inconsequential.
Weather and The Operation
All phases of the operation were completed under expected weather conditions. Despite the fact that aircraft scouting operations were only 60--70 percent effective because of cloud cover and that the advance party on Kiriwina was hampered by a local squall, the landings were accomplished on schedule. Supply and reinforcement were aided by favorable weather during the entire month following the operation.
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THE ASSAULT LANDINGS AGAINST LAE, NEW GUINEA--4 SEPTEMBER 1943
and
FINSCHHAFEN, NEW GUINEA--22 SEPTEMBER 1943.
Both the assault against Lae on 4 September and the landing on Finschhafen on 22 September were operations of necessity dictated by considerations which could not include expected weather as an element of strategy. As a result, weather requirements for this operation were limited to considerations related directly to the execution of the assault.
SEPTEMBER
AVERAGE WEATHER
BECAUSE OF TOPOGRAPHY IN NEW GUINEA, WEATHER AT LAE AND FINSCHHAFEN IS SOMEWHAT COMPLICATED BY VARIOUS LOCAL EFFECTS. DURING THE NIGHT AND EARLY MORNING, SURFACE WINDS ARE FROM THE NORTHWEST. IN THE AFTERNOON, WINDS ARE FROM THE SOUTHWEST. THE SHARP RISE FROM THE NARROW COASTAL PLAIN TO THE MOUNTAINS BEHIND LAE AND FINSCHHAFEN PRODUCES A LIFTING OF THE SOUTHEAST TRADES. RESULTANT CLOUDINESS AND PRECIPITATION ARE HIGH DURING THE MONTH. FLYING CONDITIONS ARE AVERAGE TO GOOD. THE AVERAGE TEMPERATURE IS 80°F,WITH LITTLE VARIATION FROM MONTH TO MONTH OR FROM YEAR TO YEAR.
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--10--
Since both objectives were heavily defended by enemy forces, the use of weather in these operations, although limited, was important.
Weather Requirements
1. The most advantageous use of our air superiority was dependent upon the existence of satisfactory flying weather--at the base, en route to the target, and in the target area. To insure adequate air support, the Fifth Air Force was delegated authority to postpone D-Day in the event of an unfavorable weather forecast.
2. In spite of the fact that these were landings of necessity, surf conditions had to permit the efficient handling of landing craft if the operations were to succeed. For this reason, authority to postpone D-Day was given the Commander, Seventh Amphibious Force, in the event of a forecast of unfavorable landing conditions.
September Weather
Although the Southern Hemisphere's spring season starts in September, the atmospheric circulation produced by the strong anticyclone which covers Australia during winter continues with little diminution. The southeast trades prevail throughout the Coral Sea. With the equatorial front remaining in the Northern Hemisphere, bad weather of appreciable duration in the New Guinea area is produced only by a cold front moving off the Australian continent. Climatic averages for New Guinea, reflecting the infrequency of such cold frontal passage, indicate that favorable weather is encountered at least 90 percent of the time during the month of September.
Forecasting for The Operation
Since the movement of cold fronts from the Australian continent to the New Guinea area is subject to a fairly refined analysis and forecast technique, weather conditions in the New Guinea area could be forecast for a 36--48 hour period in the future. Thus, if necessary, the order to postpone D-Day could be given in sufficient time to be effective.
During the planning stage, it was thought that landings on beaches exposed to the prevailing southeast wind would be extremely hazardous due to the swell created by the steady trades. Closer examination, however, disclosed the fact that landings were feasible at all times except during a period when the trades were abnormally strong. As this condition was found to exist less than 10 percent of the time during the month and then under circumstances which were recognizable in advance, it was forecast that the landings would not be handicapped by unfavorable conditions on the beaches. Weather reports from the Advanced Aerological Unit operating with the P.T. boats were expected to furnish ample warning of any unfavorable development.
Weather and The Operation
The preliminary and final phases of both operations were carried out as planned. Average conditions of scattered cumulus clouds and widely scattered showers did not handicap air operations. Surface operations were particularly favored by the calm seas and low swell. During the operations, there was no deliberate use of weather either by our own forces or by the enemy.
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--12--
ASSAULT LANDING AGAINST ARAWE, NEW BRITAIN
15 December 1943
Weather Requirements
The assault against Arawe, New Britain, on 15 December 1943 was another operation of necessity in which expected weather could not be an element of strategy. Weather requirements were, therefore, limited to conditions existing on D-Day.
Limiting weather conditions for the assault against Arawe were nearly identical with those at Lae and Finschhafen:
1. The use of air superiority was dependent upon the existence of favorable flying weather over the entire operational area. D-Day could be postponed if, in the opinion of the Fifth Air Force, weather conditions preventing their support of the assault did not simultaneously prevent enemy air activity.
2. Since, in the initial phase of this landing, rubber boats were to be used in going over a coral reef, a calm sea at the beaches was an absolute necessity. If the Commander of the Seventh Amphibious Force anticipated unfavorable surf conditions on D-Day, the landings were to be postponed.
3. Movement of small craft from Finschhafen across Vitiaz and Dampier Straits was also a problem of considerable magnitude. Since this water area is exposed to the full sweep of both the southeast trades and the northwest monsoon, any abnormal development of either would produce dangerous conditions for this phase of the operation. Postponement would be necessary with the occurrence of unfavorable sea conditions on D minus one day.
Average December Weather
Examination of the accompanying chart of average December weather, page 14, shows that the equatorial front during this month ordinarily lies north of Arawe--across New Ireland. It is also apparent that the landing beaches are completely exposed to the southeast trades. The effect of this undesirable location is, however, diminished to some extent by the general weakening of the trade winds at the beginning of the Southern Hemisphere summer. Specifically, the average strength of the southeast trades in the Coral Sea decreases from 15 knots in September to 7 knots in December.
Non-Average Weather
During the first part of December 1943. the equatorial front had moved to a position far south of its average location for this month. Although it almost covered the southeast tip of New Guinea, the front was so diffuse that it was accompanied by very little bad weather. Moreover, this fortuitous development placed the south coast of New Britain to the leeward of the now prevailing northwest wind with the result that sea conditions at Arawe were most favorable throughout the month.
The extreme weakness of the equatorial front gave promise that the usually favorable flying weather would continue to prevail. Furthermore,
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--14--
cold front activity in the Southern Hemisphere was at a minimum, and the Northern Hemisphere winter had not advanced sufficiently to produce cold front intrusions into the area.
Weather and The Operation
Preliminary air operations were carried out as planned with little interference from the weather. Weather reports from the P.T. base were favorable and the final phase began. Landing craft en route to the beaches experienced fairly heavy seas for craft of their size, but the schedule was not broken. In the assault area, the absence of surf aided the landings and subsequent reinforcement operations.
DECEMBER
AVERAGE WEATHER
SINCE THE EQUATORIAL FRONT LIES JUST NORTH OF NEW BRITAIN DURING DECEMBER ARAWE IS UNDER THE INTERMITTENT INFLUENCE OF THIS FRONT THROUGHOUT THE MONTH. THE CIRCULATION IS DECIDEDLY WEAK, VARYING FROM SOUTHEAST TO NORTHWEST DEPENDENT ON THE EXACT POSITION OF THE FRONT. HIGH CLOUDINESS, FREQUENT RAIN SHOWERS AND THUNDERSTORMS ARE CHARACTERISTICS OF THIS FRONT DURING PERIODS WHEN IT IS ACTIVE. OFTEN THE FRONT IS INACTIVE, AND ITS LIMITS ARE INDEFINABLE.
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ASSAULT LANDING AT CAPE GLOUCESTER, NEW BRITAIN
26 December 1943
December Weather
The early movement of the equatorial front to the south, as pointed out in the "Assault on Arawe," had advanced the date of change from the southeast to the northwest season from January to December. The average conditions for January as shown on page 18 are, therefore, representative of conditions which prevailed in the area during the latter part of December, 1943.
Weather Requirements
This early shift to the season of northwest winds increased the difficulty of selecting landing beaches which would enjoy maximum protection from wind, sea, and swell, all coming from a northwesterly direction. According to time-honored local accounts, the great strength of the northwest monsoon would make any landing during this season unfeasible. Logical analysis based upon statistics indicated that abnormally high northwest winds were rare and that the northwest swell generated by the monsoon would not be excessive. This deduction was supported by wind and sea observations transmitted by the advanced unit.
Weather conditions which could postpone D-Day were the same as at Arawe. The Fifth Air Force could postpone the assault if flying conditions favored the enemy overwhelmingly. The Commander, Seventh Amphibious Force, could call for postponement if surf conditions made landings impossible. Also, if sea conditions in Dampier Strait were such as to interfere with the transfer of assault troops from LCI's [Landing craft, infantry] to LCM's [Landing craft, mechanized], D-Day would be delayed.
Weather and The Operation
Full strategic and tactical air support was implemented by favorable weather conditions. Surface operations were carried out as scheduled in good weather and calm seas. A definite northwest swell was present on the landing beaches, but the resulting breakers did not exceed four feet. One LCT [Landing craft, tank] was broached temporarily when the anchor cable parted, but otherwise the landing craft experienced little difficulty. Local shower and thunderstorm activity during the initial landings did not handicap the movement of troops and supplies.
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--18--
JANUARY
AVERAGE WEATHER
DURING JANUARY, CAPE GLOUCESTER IS UNDER THE INFLUENCE OF THE NORTHWEST MONSOON. HIGH CLOUD COVER, FREQUENT THUNDERSHOWERS, AND GENERALLY "WET" WEATHER RESULT FROM OROGRAPHIC LIFTING OF THIS EQUATORIAL AIR MASS. FLYING CONDITIONS ARE GENERALLY AVERAGE TO GOOD BUT GROUND OPERATION IS OFTEN HAMPERED BY HEAVY PRECIPITATION AGGRAVATED BY EXTREMELY SLOW EVAPORATION.
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ASSAULT LANDING AT SAIDOR, NEW GUINEA
2 January 1944
On the average, January marks the arrival of the northwest monsoon in the New Guinea area. That this phenomenon had occurred a month early in the season, 1943 - 1944, has been pointed out previously. By January, the entire area was dominated by the northwest circulation.
Strategic Weather Consideration
With the coastline around Saidor oriented in such a way as to give considerable exposure to the northwest winds, the selection of landing beaches was of great strategic importance. The beach which presented the least amount of navigational difficulties was fully exposed to the northwest winds. Although, as was demonstrated in the assault at Cape Gloucester, this would not prevent a landing, it was decided to make every possible use of weather advantage by selecting instead three smaller beaches which were sheltered from the prevailing winds.
An additional consideration was introduced by local topography. Due to the sharp rise from the coastal plain to the mountains of the interior, high cloud cover with frequent showers was produced by northwest winds. Consistently good weather, as forecast and enjoyed in previous operations, could not be expected at Saidor. Nonetheless, it was thought that weather would not handicap the operation unduly.
The dependency of D-Day on the weather remained the same as in previous assaults. Provisions for the postponement of the operation were made in the event that weather would prohibit air support or would endanger the actual landing.
Weather and The Operation
With the relatively unimportant exception that H-Hour was delayed 30 minutes because of low visibility resulting from light rain at dawn, all operations were completed as scheduled.
In the execution of this operation, our forces enjoyed an unexpected weather advantage which had certainly not been included in the plans for D-Day. Throughout that day, unfavorable weather between Wewak and Rabaul interfered with enemy air activity and made the resistance to our landings rather less than expected.
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JANUARY
AVERAGE WEATHER
AT SAIDOR, JANUARY IS THE MIDDLE OF A DEFINITE RAINY SEASON. THE MOIST NORTHWEST AIR, LIFTED BY THE MOUNTAINS NEAR THE COAST OF NEW GUINEA, IS PRODUCTIVE OF HIGH CLOUD COVER AND INTENSE PRECIPITATION. FLYING IS FREQUENTLY RESTRICTED BY SHOWER ACTIVITY AND GROUND OPERATION IS HAMPERED BY SOIL TRAFFICABILITY CONDITIONS. AVERAGE WINDS ARE LIGHT NORTHWEST, AND LOCAL CIRCULATION IS DISTORTED BY A LAND BREEZE DURING THE NIGHT. SAIDOR RECEIVES OVER 140 INCHES OF RAIN DURING THE YEAR. TEMPERATURE IS CONSISTENTLY IN THE 80'S.
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CONCLUSIONS
From the standpoint of weather in these operations, the most interesting aspect was the practical operational use of modern methods of weather analysis as opposed to rule-of-thumb adages of the local "expert." Despite the oft-repeated, all-inclusive warnings that "landings cannot be accomplished during the southeast monsoon" and "high breakers prohibit small craft operation during the northwest season," the operations were planned and executed with unqualified success.
Weather data collected in the past, although neither complete nor entirely reliable, disputed these statements. First-hand observations did not give them support. By treating weather in the tactical phase as a specific forecasting problem which could be solved by sound practical forecasting principles, all six landings were made as planned and on schedule. Perhaps one of the most important lessons to be learned from this series of operations is that weather precepts based upon casual observation by not-too-well qualified observers may achieve "truth" by virtue of repetition alone.
The use of auxiliary weather aids did much to solve the forecasting problem. Reports from an advanced area provided the necessary assurance that unexpected weather situations would not be encountered by landing parties on D-Day. Auxiliary weather observers have been employed to advantage in several other operations. Their employment in the future may be equally valuable.
In summary, these operations of the Seventh Amphibious Force were facilitated by the excellent use of expected weather conditions, both in the strategic and tactical phases of each operation. In nearly every phase of the operation--selection of landing points, the timing of the actual assault, the problems related to supply and reinforcement--expected weather was an integral part of the over-all plan. In the words of the Commander, Seventh Amphibious Force, "General good weather, forecast and experienced, contributed considerably to the success of these operations."
--25--
[END]
Footnotes

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