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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.

    Portunus Class Motor Torpedo Boat Tender
    Authorized as Tank Landing Ship LST-773
    Reclassified Motor Torpedo Boat Tender (AGP) August 14 1944
    Keel Laid August 15 1944 - Launched October 27 1944

    Placed in Ferry Commission November 7 - December 5 1944
    Commissioned (Full) May 14 1945 - Decommissioned May 27 1946

    Struck from Naval Register June 10 1947
    Sold February 6 1948 to Kaiser & Co. for scrap

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 name of the ship (for example, Bushnell AG-32 / Sumner AGS-5 are different names for the same ship so there should be one set of pages for Bushnell and one set for Sumner). 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     (1945)



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

Post Office Established May 25 1945 - Disestablished March 2 1946


Locy Type

(Br. #15891)


Censored wartime (WWII) use


Other Information

Awards, Citations and Campaign Ribbons...
American Campaign Medal - Asiatic-Pacific Campaign Medal - World War II Victory Medal - Navy Occupation Service Medal (with Asia clasp)

NAMESAKE - The daughter of Oedipus and Jocasta in Greek mythology. Antigone is most famous as the heroine of tragedies by Sophocles and Euripides. She embodied the virtues of faithfulness and heroism which characterized the Greek ideal of womanhood



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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