Naval History

Coast Guard history - The official USCG history site
  Coast Guard and Revenue Marine Uniforms - Historic uniforms (pdf)
Naval history -  The official USN history site
Marine Corps history - Site down
Dictionary of American Navy Fighting Ships  (DANFS) -  Ship histories through 1980.

Frequently Asked Questions

Naval terminology A - M - Slang, jargon and other salty sailor talk
Naval terminology N - Z - Ditto
WARNING - Sailor speak is graphic language and will be offensive to many.)
Military Personnel Records - National Archives and Records Administration (NARA) information on service records
American Battle Monuments Commission - Listings of U.S. war dead from Mexican War through Vietnam

Naval & Maritime Museums

National Naval Aviation Museum - Sea service aviation history
USCGC Ingham Museum - Key West FL
Maritime Museums - Robert Smith's online guide.

Sea Service Sites of Merit

  Joe Bauger's Aircraft Serial Numbers - Site lists serials and disposition if known of USCG aircraft.
  Coast Guard Aviation History - An extension of the Ancient Order of The Pterodactyl Association.

Social Sites

  Coast Guard Amateur Radio Club - No dues group of active, retired & former USCG ham radio ops.
  Together We Served - Fairly rigid guidelines and template for entries.
  Coast Guard Channel - Many small groups of various CG interests.
Facebook - USCG Loran Veterans
  Facebook - US Coast Guard Veterans

Sea Service Merchandise

  The Coast Guardsman's Manual, 11th ed (Soft cover) - Buy the latest edition.
  New book recommendations and book search
  Pictures, Posters and Patches - We don't sell them but here are a few off site sources that may help