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Ship Name and Designation History

This section lists the names and designations that the ship had during its lifetime. The list is in chronological order.

    Sturgeon Class Attack Submarine, Nuclear
    Keel Laid August 13 1966 - Launched June 15 1968

    Commissioned September 19 1969 - Decommissioned August 17 1995

    Struck from Naval Register August 17 1995
    Entered the NPSSRP (Nuclear Powered Ship and Submarine Recycling Program) March 1 1995
    Completed program September 30 1996


Naval Covers

This section lists active links to the pages displaying covers associated with the ship. There should be a separate set of pages for each incarnation of the ship (ie, for each entry in the "Ship Name and Designation History" section). Covers should be presented in chronological order (or as best as can be determined).

Since a ship may have many covers, they may be split among many pages so it doesn't take forever for the pages to load. Each page link should be accompanied by a date range for covers on that page.

  1. Covers Page 1     (DATE RANGE)



This section lists examples of the postmarks used by the ship. There should be a separate set of postmarks for each incarnation of the ship (ie, for each entry in the "Ship Name and Designation History" section). Within each set, the postmarks should be listed in order of their classification type. If more than one postmark has the same classification, then they should be further sorted by date of earliest known usage.

A postmark should not be included unless accompanied by a close-up image and/or an image of a cover showing that postmark. Date ranges MUST be based ONLY ON COVERS IN THE MUSEUM and are expected to change as more covers are added.
>>> If you have a better example for any of the postmarks, please feel free to replace the existing example.


Postmark Type
Killer Bar Text

Date From
Date To
Thumbnail Link To
Postmark Image
Thumbnail Link To
Cover Image


Groton CT




Machine Postmark

Groton, CT





"Submarine Base Branch"

Groton, CT


15th Anniversary
Stephen Decatur Chapter No. 4, USCS


Other Information

NAMESAKE - A small fish whose head and upper body suggest the head and neck of a horse.

Two submarines of the US Navy have been named in honor of this fish, USS Seahorse AGSS-304/SS-304 and USS Seahorse SSN-669.



If you have images or information to add to this page, then either contact the Curator or edit this page yourself and add it. See Editing Ship Pages for detailed information on editing this page.


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