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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.

    Tench Class Submarine
    Keel Laid 28 June 1944 - Launched 1 October 1944

    Commissioned 15 January 1945 - Decommissioned 2 December 1968

    Struck from the Naval Register 2 December 1968
    Transferred (sold) to Canada 2 December 1968

  2. HMCS RAINBOW SS-75 (Canadian Naval Service)
    Renamed and Commissioned 2 December 1968
    Decommissioned 31 December 1974

    Final Disposition - Sold for scrapping 24 March 1977

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 Argonaut SS-475 Covers Page 1    (1949-1968)



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 To
Close-Up Image
Thumbnail Link
Full Cover Image


Kittery ME


Twin Launching with USS QUILLBACK SS-424

NO Postal Facilities Aboard


Locy Type SL2(n)

USPO Duplex #1

"Submarine Base Br."

New London CT


Add-on cachet by Rich Hoffner


Locy Type SL1n+

USPO Machine Cancel

"Submarine Base Br."

New London CT


Cachet by William T. (Duke) Gmahle


Locy Type

USS Orion
AS 18



Last Day in Commission


Other Information

USS ARGONAUT SS-475 earned the following awards during her Naval career - Asiatic-Pacific Campaign Medal w/ 1 Battle star, the World War II Victory Medal; the Navy Occupation Service Medal with EUROPE clasp and the National Defense Service Medal w/ one star.

NAMESAKE - The argonauts (genus Argonauta, the only extant genus in the family Argonautidae) are a group of pelagic octopuses.

Two ships of the US Navy have borne the name ARGONAUT - USS Argonaut APS-1 and USS Argonaut SS-475.

The ships sponsor is Mrs. Allan R. McCann.



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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