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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.

    Gato Class Submarine
    Keel Laid 1 March 1941 - Launched 22 December 1941

    Commissioned 11 April 1942
    Last report 30 July 1942
    Reported overdue 5 October 1942
    All hands assumed lost

    Struck from Naval Register 2 November 1942

    In August 2007 the discovery of a wreck believed to be the Grunion was found
    In October 2008, the U.S. Navy verified the wreck as Grunion

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 Grunion SS-216 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 11 April 1942 - Disestablished 21 September 1942


Locy Type


USCS Postmark
Catalog Illus. G-32


Commissioning, Censored


Other Information

USS GRUNION received the Asiatic-Pacific Campaign medal w/ one battle star for her World War II service.

NAMESAKE - A small fish of the silversides family, indigenous to the western American coast.

The ships sponsor was Mrs. Stanford C. Hooper, wife of Rear Admiral Hooper.



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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