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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.

    Gar Class Submarine
    Keel Laid 14 February 1940 - Launched 23 December 1940

    Commissioned 23 May 1941
    SUNK 5 March 1943 by Japanese destroyers in Blackett Strait

    Struck from Naval Register 21 June 1943

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. USS Grampus SS-207 Covers Page 1    (1941-1983)



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

Thumbnail Link
Postmark Image
Thumbnail Link
Cover Image

Post office established May 23 1941 - Disestablished June 30 1943


Locy Type



First Day of Commission. Patriotic cachet by Jacques Minkus


Locy Type
3 (A-BBT)


Navy Day, cachet by Wifred (Bill) R. Cyr, sponsored by Argonauts Crew No. 24, ANCS


Locy Type F

Reported Lost"


Cachet by William S. Linto. Postmark from the Atlantic Fleet Service School, Virginia Beach, VA


Other Information

USS GRAMPUS earned the American Campaign Medal, the Asiatic-Pacific Campaign Medal w/ three battle stars and the World War II Victory Medal during her Naval career.

Credited with sinking...
The 8632-ton Japanese Tanker KAIJO MARU No.2, March 4 1942 off Truk

NAMESAKE - Seven ships of the United States Navy have borne the name USS Grampus, for two members of the dolphin family (Delphinidae): 'Grampus griseus', also known as Risso's Dolphin, and 'Orcinus orca', also known as the orca.



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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