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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.

    Shallow-draft River Gunboat
    Keel Laid as Gunboat PG-46 December 18 1926
    Launched November 26 1927
    Reclassified River Gunboat (PR) June 15 1928

  1. USS OAHU PR-6
    Commissioned October 20 1928
    SUNK May 5 1942 by enemy action off Corregidor Island, Philippine Islands

    Struck from Naval Register May 8 1942


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 Oahu PR-6 Covers Page 1    (1931-41)



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


Locy Type
3r (AC-BTT)



Memorial Cachet to remember the sinking of USS Panay PR-5


Locy Type
3s (BC)



Navy Day 1933


Locy Type
3s (AC-BTT)



Christmas Day 1934. Asiatic Fleet cachet by Marshall R. Hall


Other Information

USS OAHU earned 1 Battle Star for her World War II service.

NAMESAKE - Named for the third largest island in the Hawaiian Chain.



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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