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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.

    Balao Class Submarine
    Keel Laid May 7 1943 - Launched September 15 1943

    Commissioned January 1 1944 - Decommissioned March 6 1946
    Reclassified Auxiliay Resarch Submarine (AGSS) December 1 1962,
    While in reserve

    Struck from Naval Register March 1 1967
    Sold January 20 1969 for scrap

    The conning tower is at the Chester Nimitz Museum at Fredericksburg, TX.

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. Covers Page 1     (DATE RANGE)



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


Machine Cancel

Kittery ME


No Image

Launching, cachet by Wilfred R. (Bill) Cyr


USPO Slogan
Machine Cancel

"Navy Yard Branch"

Portsmouth NH


No Image

Launching, cachetmakers initials are centered at the bottom but cannot decipher them clearly.


Portsmouth NH
Navy Yard Br.








Other Information

PINTADO received the Presidential Unit Citation for "extraordinary skill and heroism" on her first three war patrols

Credited with sinking...
The 4716-ton Japanese Troop Transport TOHO MARU, June 1 1944 off Saipan
The 2825-ton Japanese Army Cargo Ship KASHIMASAN MARU, June 6 1944 Mariana Islands
The 5652-ton Japanese Troop Transport HARVE MARU, June 6 1944 Mariana Islands
The 5401-ton Japanese Army Cargo Ship SHONAN MARU, August 6 1944 off Kyushu
The 19262-ton Japanese Merchant Tanker TONAN MARU No. 2, August 22 1944 Off Shanghai
The 1345-ton Japanese Destroyer AKIKAZE, November 3 1944 South China Sea
The 1500-ton Japanese Fast Transport T-12, December 13 1944 South China Sea
The 887-ton Japanese Landing Ship T-104, December 13 1944 South China Sea

NAMESAKE - A large mackerel-like fish, whose elongated spots suggested the Spanish word meaning painted as it is named, found along the Florida coast and in the West Indies.



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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