Skip to main content
Naval History and Heritage Command
The Sextant
Social Media
Search
Naval History and Heritage Command
The Sextant
Social Media
Toggle left navigation
Nav
Toggle navigation
Toggle navigation
Additional
Resources
Home
Research
Research - Main
Archives
Archives - Main
About the Navy Archives
Collections
Digital Exhibits and Highlights
Resources for the Fleet
Resources for Researchers
Resources for Veterans
Histories
Histories - Main
Naval Profiles
DANFS - Dictionary of American Naval Fighting Ships
Documentary Histories
Naval Aviation Histories
Oral Histories
Ship Histories
Library
Library - Main
Catalog
New Postings - Library
Online Reading Room
About the Library
The Collection
Bibliographies
Cruise Books
Research Guides
Exhibits
Manuscripts
Oral Histories
Z-Files
Biographies
Publications
Publications - Main
Documentary Histories
Publications by Subject
NHHC Bibliographies
Research Papers, Articles, and Reports
Underwater Archaeology
Underwater Archaeology - Main
Mission
Sites and Projects
Conservation and Curation
Permitting Policy and Resource Management
Story Maps
Archaeological Reports & Publications
Timeline
Our Collections
Our Collections - Main
Art
Art - Main
Exhibits
Artists
Traveling Exhibits
Artifacts
Artifacts - Main
Ship Artifacts
Ashore
Weapons, Arms and Ordnance
Navigation Instruments
Signal, Radio, and Communications
Uniforms, Medals, and Personal Equipment
Ephemera
Artifacts by period
People
R & R
Models
Underwater Artifacts
Exhibits
About Curator Branch
Photography
Photography - Main
Digital Exhibits
Conservation
Conservation - Main
Conservation at NHHC
Highlighted Projects
Conservation Methods
Applied Research
Training the Warfighter
Our Facilities
Visit Our Museums
Visit Our Museums - Main
National Museum of the U.S. Navy
National Naval Aviation Museum
National Museum of the American Sailor
Hampton Roads Naval Museum
U.S. Navy Seabee Museum
Submarine Force Museum
Naval Undersea Museum
Puget Sound Navy Museum
Naval War College Museum
U.S. Naval Academy Museum
Browse by Topic
Browse by Topic - Main
Commemoration Toolkits
Commemoration Toolkits - Main
Navy Birthday
World War II
National Vietnam War Veterans Day
The 9/11 Terrorist Attacks
75th Anniversary of NATO
Wars, Conflicts, and Operations
Wars, Conflicts, and Operations - Main
American Revolution
Quasi-War with France
Barbary Wars
War of 1812
Mexican-American War
Civil War
Spanish-American War
Early 20th-Century Conflicts
World War I
World War II
Cold War Era
Korean War
Vietnam War
Cuban Missile Crisis
Operation Allied Force
Middle East Engagements
POW MIA
Pirate Interdiction and the U.S. Navy
The 9/11 Terrorist Attacks
Heritage
Heritage - Main
Uniforms
Customs and Traditions
Banners
Decorations and Awards
Speak Like a Sailor
Famous Navy Quotations
Origins of the Navy
U.S. Navy History Lessons Learned
The Navy and Marine Corps Team
"Ex Scientia Tridens": The U.S. Naval Academy
Communities
Communities - Main
Chaplain Corps
Chief Petty Officer
Seabees
Navy Medicine
Naval Aviation
Submarine Force
Surface Navy
Navy Divers
Naval Special Warfare
Supply Corps
Explosive Ordnance Disposal
Disasters and Phenomena
Disasters and Phenomena - Main
The Navy’s Humanitarian Mission
U-2s, UFOs, and Operation Blue Book
Port Chicago Naval Magazine Explosion
The Sullivan Brothers and the Assignment of Family Members
Weather Related Incidents
The Loss of Flight 19
Organization and Administration
Organization and Administration - Main
Leadership
Ranks
Regulations and Policy
Personnel
Service and Medical Records
U.S. Navy Installations
Historic Former U.S. Navy Bases and Stations
Diversity
Diversity - Main
The African American Experience in the U.S. Navy
Women in the U.S. Navy
Asian Americans and Pacific Islanders in the U.S. Navy
Hispanic Americans in the U.S. Navy
Contributions of Native Americans to the U.S. Navy
Naval Service of LGBTQ+ Personnel
Exploration and Innovation
Exploration and Innovation - Main
Electricity and USS Trenton
The World Cruise of the Great White Fleet
Navy Role in Space Exploration
Polar Exploration
The First U.S. Naval Observatory
Bathyscaphe Trieste
Airships & Dirigibles
Higgins Boats
Navy’s Use of Torpedoes
The Nuclear Navy
Radar and Sonar
Navy’s Use of Unmanned Aerial Vehicles
Naval Mine Warfare
The Navy’s Use of Carrier Pigeons
The Steam Navy
The Steel Navy
Notable People
Notable People - Main
Presidents
Chiefs of Naval Operations
Master Chief Petty Officers of the Navy
Historical Figures
Secretaries of the Navy
Medal of Honor Recipients
Namesakes
Trailblazers
Notable Ships
Notable Ships - Main
U.S. Navy’s Six Original Frigates
Ships of Sail
Sail-to-Steam
Modern Ships
Aircraft Carriers
Submarines
News & Events
News & Events - Main
Events
Multimedia Gallery
Multimedia Gallery - Main
News Photos
Infographics
Graphics
Large Format Banners
News
News - Main
2024
2023
2022
2021
2020
2019
2018
2017
2016
2015
2014
2013
Notices
Notices - Main
Podcasts
Podcasts - Main
Ep. 1 - Navy Deck Logs and Sailor Poetry
Ep. 2 - Women's Naval History
Ep. 3 - An Invaluable Resource (Part 1)
Ep. 4 - An Invaluable Resource (Part 2)
Get Involved
Get Involved - Main
Donate Materials Old
Loan Programs
Loan Programs - Main
How to Borrow
Conditions for Loans
Loan Program Qualification Application
Loaned Artifact Condition Report
Facilities Report
Facilities Report: Navy Commands
Donate Materials
Donate Materials - Main
Navy Archives Donations
Navy Art Collection Donations
Navy Curator Donations
Navy Photo Archives Donations
Navy Department Library Donations
Navy Underwater Archaeology Return Program
Navy Donation FAQs
New Year's Day Deck Log Contest
Grants and Fellowships
Grants and Fellowships - Main
Past Award Recipients
Employment
Partner Organizations
Partner Organizations - Main
Foundations
Agency Partners
Essay Contest
Essay Contest - Main
2023 Winners
2022 Winners
2021 Winners
2020 Winners
2019 Winners
2018 Winners
2017 Winners
For Educators
For Educators - Main
Lesson Plans
Activities
Annual Navy History and Heritage Awards
Annual Navy History and Heritage Awards - Main
NHHC Awards Program FAQs
About Us
About Us - Main
Leadership
Leadership - Main
Director
Deputy
Former Directors
Organization
Organization - Main
Functional Specialties
Who We Are
Command Origins
NHHC Organization
Services & Policies
Services & Policies - Main
Deck Log Access
Decommissioning and Disestablishing
Library Services
Reference Assistance
Research Permits for Sunken & Terrestrial Military Craft
Scanning, Copyright & Citation Information
Resources Available to Navy Commands
Instructions & Forms
Instructions & Forms - Main
Obtain Duplications of Records and Photos
Download Aviation Insignia Instruction
NHHC Search Help
Submit a Command Operations Report
Contact
Contact - Main
Directions and Access
Directory
Navy Yard Map
NHHC Guide
Social Media
For the Fleet
Share
Connect
Photography
/
US People
/
C
/
Cassidy, Leonard A
Tags
Related Content
Seaman 1st Class (in service, circa 1945)
Accessibility/Section 508
|
Employee Login
|
FOIA
|
NHHC IG
|
Privacy
|
Webmaster
|
Navy.mil
|
Navy Recruiting
|
Careers
|
USA.gov
|
USA Jobs
No Fear Act
|
Site Map
|
This is an official U.S. Navy web site
