Naval History and Heritage Command

Please click the link for each H-gram to access its text and associated attachments. 

H-Gram 082: 3 April 2024

• USS Asheville's Defiance and the "Dancing Mouse," March 1942
• "Doc" of YMS-365, June 1945

H-Gram 081: 6 March 2024

• “Miscellaneous Action in the South Pacific,” 4–5 September 1942 (Commander Hugh W. Hadley and Steward’s Mate First Class Charles J. French)
• The Epic Fight of the Hugh W. Hadley (DD-774) and Evans (DD-552): Kikusui No. 6, 11 May 1945

H-Gram 080: 12 April 2024 (overview and downloadable PDFs) 

• Operation "No Name": The U.S. Navy in Lebanon, 1982–84
• The Lebanon Crisis, 1983: A Personal Recollection

H-Gram 079: 25 July 2023

• 70th Anniversary of the Korean War: The Last Shot 
• 80th Anniversary of World War II: “On the Verge of Breaking Down Completely” 
• 80th Anniversary of World War II: The U.S. Navy and the Atomic Bomb
• USS Indianapolis (CA-35): The Last Survivor 

H-Gram 078: 20 March 2023

• The Revolt of the Admirals
• Ship Renaming

H-Gram 077: 24 February 2023

• Carter Hall at the Naval Academy 
• Remember the Maine 
• The Charge of USS Bailey (Reprise)

H-Gram 076: 20 December 2022

• There Are No Headstones at Sea: The Search for Wasp and Hornet (Reprise)

H-Gram 075: 29 November 2022

• A U.S. Navy vs. Soviets Overwater Dogfight
• A Short History of U.S. Navy Accidents and Non-Combat Losses

H-Gram 074: 6 September 2022

• The Easter Offensive—Vietnam 1972, Part 2

H-Gram 073: 16 August 2022

• 80th Anniversary of the Guadalcanal Campaign

H-Gram 072: 26 May 2022

• Torpedo Squadron 8's TBF Avenger Detachment in the Battle of Midway

H-Gram 071: 3 May 2022

• Loss of USS Hobson (DMS-28), 26 April 1952
• U.S. Navy Surface Ship Accidents Since World War II Resulting in Fatalities or Loss of Ship
• 80th Anniversary of World War II: The Sacrifices of USS Neosho (AO-23) and USS Sims (DD-409)

H-Gram 070: 27 April 2022

• The Easter Offensive—Vietnam 1972, Part 1

H-Gram 069: 29 March 2022

• 100th Anniversary of the U.S. Navy's First Aircraft Carrier: USS Langley (CV-1) Commissioned 20 March 1922
• Vietnam War Veterans Day

H-Gram 068: 3 March 2022

• 80th Anniversary of World War II: Two U.S. Navy Heroes—Captain Albert Rooks and AMM1c First Class Bruno Gaido

H-Gram 067: 9 February 2022

• 80th Anniversary of World War II: USS Edsall's Last Stand, 1 March 1942

H-Gram 66: 7 December 2021

• 80th Anniversary of the Japanese Attack on Pearl Harbor, 7 December 1941 
• 50th Anniversary of the Establishment of the Naval Historical Center 

H-Gram 064: 29 July 2021

• World War II Close-Quarters Antisubmarine Warfare

H-Gram 063: 9 July 2021

• "Battles that You've Never Heard Of," Part 2: The Pearl River Forts, China (1856);  the Battle of Somatti, Fiji (1859); the Battle of Shimonoseki Strait, Japan (1863); the Formosa Expedition (1867); and the Battle of Ganghwa, Korea (1871)  

H-Gram 062, 11 June 2021

• "Battles That You've Never Heard Of," Part 1: Nuku Hiva (1813), Negro Fort (1816), Quallah Battoo (1832), Muckie (1839), Drummond’s Island (1841), Ty-ho Bay (1855), and the Water Witch Affair (1855)

H-Gram 061, 21 May 2021

• 70th Anniversary of the Korean War: U.S. Navy in the Korean War, March-July 1951
• 30th Anniversary of Operations Desert Shield/Desert Storm, March-June 1991
• Contributions of Navy Sealift, Seabees, and Navy Medicine to Operations Desert Shield/Desert Storm

H-Gram 060, 21 April 2021

• 100th Anniversary of the Disappearance of the Fleet Tug Conestoga (AT-54)
• Wreck of USS Johnston (DD-557) Positively Identified
• Last Known Survivor of Famed Submarine USS Barb Passes 

H-Gram 059, 05 February 2021

• 30th Anniversary of Operation Desert Storm, February–March 1991
• 50th Anniversary of the the Vietnam War 

H-Gram 058, 15 January 2021

• 30th Anniversary of Operation Desert Storm, January 1991
• 70th Anniversary of the the Korean War 
  • Chinese Third Phase Offensive: January 1951
• In Memoriam: RDML Phillip F. McNall, SC, USN (Ret.)

H-Gram 057, 06 January 2021

• 75th Anniversary of World War II
  • Operation Downfall─The Planned Invasion of Japan
  • Operation Cherry Blossoms at Night─The Japanese Plan for Biological Warfare
• 150th Anniversary of the Saginaw Gig
• 75th Anniversary of the Loss of Flight 19

H-Gram 056, 07 December 2020

• 70th Anniversary of the Korean War
  • Communist Chinese Offensive, November–December 1950
• 30th Anniversary of Operation Desert Shield, December 1990
• 75th Anniversary of the Loss of Flight 19

H-Gram 055, 08 October 2020

• 70th Anniversary of the Korean War
  • Wonsan: October─November 1950
• 30th Anniversary of Operation Desert Shield, November 1990
• 20th Anniversary of the Attack on USS Cole (DDG-67)

H-Gram 054, 22 September 2020

• 70th Anniversary of the Korean War
  • Inchon Landing and other Navy Operations in Korea (1 September–10 October 1950)
• 30th Anniversary of Operation Desert Shield, October 1990

H-Gram 053, 16 September 2020

• 75th Anniversary of World War II
  • The End of the Imperial Japanese Navy
  • The Surrender of Japan
• 30th Anniversary of Operation Desert Shield, September 1990

H-Gram 052, 12 August 2020

• 75th Anniversary of World War II
  • The U.S. Navy's Role in the Development and Employment of the Atomic Bomb
• 30th Anniversary of Operation Desert Shield, August 1990

H-Gram 051, 27 July 2020

• 75th Anniversary of World War II
  • Victory in the Pacific: The Last Sacrifices

H-Gram 050, 25 June 2020

• 70th Anniversary of the Korean War
  • Naval Action in the Korean War, 25 June–1 September 1950

H-Gram 049, 17 June 2020

• 75th Anniversary of World War II
  • Victory at Okinawa, 22 June 1945
  • Lieutenant Commander George Street's Medal of Honor, 14 April 1945

H-Gram 048, 28 May 2020

• 75th Anniversary of World War II
  • Kamikaze Attacks on U.S. Flagships off Okinawa
  • The Naval Battle of Okinawa (Continued), 11 May–5 June 1945

H-Gram 047, 8 May 2020

• 75th Anniversary of World War II—Victory in Europe
  • The Last Battle of the Atlantic: Operation Teardrop

H-Gram 046, 7 May 2020

• 75th Anniversary of World War II
  • USS Aaron Ward (DM-34): “The Ship That Couldn’t Be Licked”
  • "Chrysanthemums from Hell": Kikusui No. 5
  • Kikusui No. 6 and Its Prelude: The Epic Fight of USS Hugh W. Hadley (DD-774)

H-Gram 045, 16 April 2020

• 75th Anniversary of World War II
  • USS Laffey (DD-724): The Ship That Wouldn’t Die (2)
  • The Naval Battle of Okinawa, Part 2
• 50th Anniversary of the Apollo 13 Mission

H-Gram 044, 3 April 2020

• 75th Anniversary of World War II
  • Operation Iceberg: Background to the Battle for Okinawa
  • “Floating Chrysanthemums”: The Naval Battle of Okinawa, Part 1
  • Operation "Heaven Number One" (Ten-ichi-go): The Death of Yamato, 7 April 1945

H-Gram 043, 20 March 2020

• 75th Anniversary of World War II
  • USS Franklin (CV-13): The Ship That Wouldn't Die (1)
• 50th Anniversary of the Vietnam War
  • “Sojourn Through Hell”—Vietnamization and U.S. Navy Prisoners of War: 1969–70 
• The Spanish Influenza Epidemic of 1918–19 (re-published from October 2018)

H-Gram 042, 20 February 2020

• 75th Anniversary of World War II
  • "Nightmare in Hell": Iwo Jima, February–March 1945

H-Gram 041, 5 February 2020

• 75th Anniversary of World War II
  • Last Ship Sunk by German Aircraft on the Murmansk Run
  • Penetration of Namkwan Harbor, China, by USS Barb (SS-220)
  • Sinking of the Japanese “Lucky Destroyer” Shigure by USS Blackfin (SS-322)
  • Sinking of Three Japanese Submarines in Three Days by USS Batfish (SS-310)
• 50th Anniversary of the Vietnam War
  • Ordeal and Loss of Ammunition Ship SS Badger State, December 1969/January 1970
• 60th Anniversary of U.S. Navy Bathyscaphe Trieste's Mariana Trench Dive  

H-Gram 040, 9 January 2020

• 75th Anniversary of World War II
  • Combat Death of Rear Admiral Theodore E. Chandler, 6 January 1945
  • Actions in the Philippines: Leyte, Ormoc, and Mindoro
  • Amphibious Landings in the Lingayen Gulf

H-Gram 039, 26 December 2019

• 75th Anniversary of World War II
  • Significant U.S. Submarine Successes in November and December 1944
  • Typhoon Cobra in December 1944, the Worst Natural Disaster in U.S. Navy History
  • First Attacks by Japanese Kaiten Suicide Torpedoes, November 1944
  • Spontaneous Explosion of the Ammunition Ship Mount Hood (AE-11), November 1944
  • "The Worst Christmas Story Ever": The sinking of SS Leopoldville, 24 December 1944

H-Gram 038, 25 November 2019

• 75th Anniversary of World War II
  • Battle of Leyte Gulf Events and Engagements, 23–26 October 1944

H-Gram 037, 28 October 2019

• Special Edition: Battle of Midway Movie

H-Gram 036, 11 October 2019

• Special Edition: “No Higher Honor”—The Battle off Samar, 25 October 1944

H-Gram 035, 6 September 2019

• 75th Anniversary of World War II
  • Flight of the Avenger: Shoot Down of Lieutenant (j.g.) George H. W. Bush Over Chichi Jima, 2 September 1944
  • Mediterranean Theater Catch-up
• 100th Anniversary of World War I
  • German U-Boat UC-97 on the Great Lakes

H-Gram 034, 2 August 2019

• 30th Anniversary of the "Tanker War" (Reprise)
  • Operation Praying Mantis, 18 April 1988
  • The Tragic End: Shoot Down of Iran Air Flight 655, 3 July 1988

H-Gram Special Edition, 22 July 2019

• The Passing of Associate Justice of the Supreme Court John Paul Stevens

H-Gram 033, 19 July 2019

• 75th Anniversary of World War II:
  • Yanagi Missions and Atrocities, 26 July 1944
  • USS Parche and Commander “Red’ Ramage’s Medal of Honor, 31 July 1944
  • Port Chicago Disaster and Mutiny, 17 July 1944
  • Operation Forager, Part 2: The Invasion of Tinian, 24 July 1944
• 50th Anniversary of the First Moon Landing: “We came in peace, for all mankind,” 20 July 1969
• 100th Anniversary of World War I: Forgotten Valor—USS Richard Bulkeley, 12 July 1919

H-Gram 032, 26 June 2019

• 75th Anniversary of World War II: Operation Forager and the Battle of the Philippine Sea

H-Gram 031, 6 June 2019 (Special "D-Day" Edition)

• 75th Anniversary of World War II: Operation Neptune, 6 June 1944
• 50th Anniversary of the Vietnam War: Collision of USS Frank E. Evans (DD-754) with HMAS Melbourne, 3 June 1969

H-Gram 030, 21 May 2019

• 75th Anniversary of World War II: USS England Sinks Six Japanese Submarines, May 1944
• Naval Aviation Milestone: First Transatlantic Crossing by an Aircraft, May 1919

H-Gram 029, 25 April 2019

• The Exercise Tiger Debacle, 28 April 1944
• The EC-121 "Deep Sea 129" Shootdown, 15 April 1969
• A Brief History of U.S. Navy Cold War Aviation Incidents (Excluding Korea and Vietnam)
• The USS Iowa Tragedy, 19 April 1989
• A Brief History of Major U.S. Navy Ordnance Accidents

H-Gram 028, 29 March 2019 (Special National Vietnam Veterans Recognition Day Edition)

• U.S. Navy Valor in Vietnam, 1969

H-Gram 027, 20 March 2019

• There Are No Headstones at Sea: The Search for Wasp and Hornet

H-Gram 026, 28 February 2019

• Operation Flintlock: The Invasion of Kwajalein, 31 January 1944
• Operation Catchpole: The Invasion of Eniwetok, 17 February 1944
• Operation Hailstone: Carrier Raid on Truk Island, 17–18 February 1944

H-Gram 025, 31 January 2019

• 75th Anniversary of World War II: Operation Galvanic—Invasion of Tarawa and Makin Islands
• 50th Anniversary: USS Enterprise Fire, 14 January 1969
• 50th Anniversary: Wrap-up—Release of USS Pueblo Crew by North Korea, 23 December 1968

H-Gram 024, 27 December 2018

• 75th Anniversary of World War II: The Multi-Pronged Allied Offensive Against the Japanese in the Southern and Central Pacific, November 1943
• 50th Anniversary: Apollo 8 Mission, 21–27 December 1968
• 50th Anniversary: Release of USS Pueblo Crew by North Korea, 23 December 1968

H-Gram 023, 15 November 2018 (Special World War I Victory Edition)

• The Contribution of the U.S. Navy During World War I
• U.S. Navy Personnel Awarded the Medal of Honor During World War I

H-Gram 022, 31 October 2018

• 100th Anniversary of World War I: The Worst Killer of All: The Spanish Influenza, 1918–19
• 75th Anniversary of World War II—USS Pioneer (AM-105) and the Sinking of HMT Rohna, 26 November 1943; Arctic Strike: Operation Leader, the U.S. Carrier Raid on Norway and “Diz” Laird, 4 October 1943; Loss of USS Wahoo (SS-238), 11 October 1943; Battle of Vella Lavella: The Last Japanese Victory, 6–7 October 1943
• 50th Anniversary of Vietnam War: End of the Operation Rolling Thunder Bombing Campaign, 31 October 1968

H-Gram 021, 18 September 2018

• 75th Anniversary of World War II: Operation Avalanche—The Invasion of Italy, September 1943
• 100th Anniversary of World War I—Naval Aviation "Firsts," U.S. Navy Railway Artillery Batteries in France, Largest U.S. Naval Loss, Battle of Durazzo: The Navy's Only World War I Surface Engagement

H-Gram 020, 25 July 2018

• 30th Anniversary of the "Tanker War"—The Tragic End: Shoot-Down of Iran Air Flight 655, 3 July 1988
• 75th Anniversary of World War II—The Central Solomon Islands Campaign; Operation Husky: Invasion of Sicily
• 100th Anniversary of World War I—The Fog of War: USS AL-2 Versus UB-65, 10 July 1918
• 120th Anniversary of the Spanish-American War—The Last Battle: Santiago de Cuba, 3 July 1898

H-Gram 019, 22 June 2018

• 50th Anniversary of Vietnam War: The Mystery of Swift Boat PCF-19
• First Medal of Honor for Naval Aviator in Vietnam War: Lieutenant Junior Grade Clyde Everett Lassen
• 50th Anniversary of Loss of USS Scorpion: Thoughts on U.S. Navy Non-Combat Submarine Losses and Accidents
• 75th Anniversary of World War II: “Black May”—The Tide of the Battle of the Atlantic Turns
• 100th Anniversary of World War I: “Black Sunday” and the Battle of Orleans—World War I Comes to American Waters

H-Gram 018, 13 April 2018

• Operation Praying Mantis, 18 April 1988
• 75th Anniversary of World War II—Operation Vengeance: Admiral Yamamoto Shot Down
• A Presidential Unit Citation for a Failed Attack: USS Tunny's Second War Patrol
• 100th Anniversary of World War I: Dental Valor
• 120th Anniversary of Spanish-American War: Battle of Manila Bay, 1 May 1898

H-Gram 017, 27 March 2018

• U.S. Navy Operations in Vietnam, January–March 1968
• Rolling Thunder: A Short Overview

H-Gram 016, 14 March 2018 

• Battle of the Komandorski Islands: Forgotten Valor—The Charge of USS Bailey, 26 March 1943
• The Aleutians Campaign, 1942–43
• Battle of the Atlantic: The Lost Boarding Party, 10 March 1943
• World War I: The Disappearance of USS Cyclops
• Spanish-American War: USS Oregon 's Dash to Glory

H-Gram 015, 6 February 2018

• World War II Pacific Submarine Combat: "Take Her Down!"—Commander Howard Gilmore and USS Growler (SS-215)
• Guadalcanal Campaign: The Battle of Rennell Island and Operation Ke
• "Remember the Maine!"

H-Gram 014, 22 January 2018

• 50th Anniversary of the Seizure of USS Pueblo (AGER-2)

H-Gram 013, 7 December 2017

• Guadalcanal: Forgotten Valor—USS Alchiba (AK-23)
• Guadalcanal: The Battle of Tassafaronga, 30 November/1 December 1942
• Operation Torch: The Naval Battle of Casablanca, 8 November 1942
• Operation Torch: Converted World War I Destroyers at Safi and Wadi Sebou, Heroism at Oran, 8–10 November 1942
• World War I: Loss of USS Jacob Jones (Destroyer No. 61), 6 December 1917
• World War I: U.S. Navy's Battleship Division Nine in European Waters, 7 December 1917

H-Gram 012, 9 November 2017

• Guadalcanal: The Battle of Friday the 13th, 1942
• Guadalcanal:  Battleship Versus Battleship—The Battle of 14–15 November 1942
• Operation Torch: The Invasion of North Africa
• Meanwhile, Back in World War I (100th Anniversary)

H-Gram 011, 25 October 2017

• Victory at Cape Esperance (Sort of)—11/12 October 1942
• Guadalcanal: All Hell's Eve—13/14 October 1942
• Battle of the Santa Cruz Islands (Japanese Pyrrhic Victory)—26 October 1942
• Vietnam: Operation Rolling Thunder—LCDR John S. McCain III Shot Down, 26 October 1967

H-Gram 010, 29 September 2017

• Forgotten Valor: The Sacrifice of TRANSDIV 12
• Battle of the Eastern Solomons
• "Torpedo Junction"
• Enlisted Hero: Samuel B. Roberts
• Attacks on the United States Mainland
• 50th Anniversary of the Vietnam War

H-Gram 009, 9 August 2017

• 75th Anniversary of World War II: Guadalcanal—Iron Bottom Sound
• The Battle of Savo Island, 9 August 1942
• 50th Anniversary of Vietnam War: Overview of U.S. Navy Operations

H-Gram 008, 3 July 2017

• 100th Anniversary of World War I
• 80th Anniversary of Loss of Amelia Earhart, 2 July 1937
• 75th Anniversary of World War II
• 50th Anniversary of Vietnam War: Forrestal Disaster, 29 July 1967

H-Gram 007, 8 June 2017

• Attack on USS Liberty, 8 June 1967

H-Gram 006, 24 May 2017

• 75th Anniversary of World War II: Battle of Midway

H-Gram 005, 24 April 2017

• 75th Anniversary of World War II: Battle of the Coral Sea

H-Gram 004, 4 April 2017

• 100th Anniversary of World War I: The First Shot.
• 100th Anniversary of World War I: We Are Ready Now (sort of)
• 75th Anniversary of World War II: The Doolittle Raid - "Shangri-La."
• 75th Anniversary of World War II: Enlisted Hero of the Month - AMM1/C Bruno Gaido

H-Gram 003, 20 February 2017

• World War II 75th Anniversary: The Valor of the Asiatic Fleet

H-Gram 002, 29 December 2016

• World War I 100th Anniversary: The Zimmerman Telegram
• World War II 75th Anniversary: Worst Christmas in U.S. Naval History 

H-Gram 001, 17 November 2016

• World War II 75th Anniversary: Pearl Harbor
• World War II 75th Anniversary: Neutrality Patrol