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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.

    Sotoyomo Class Auxiliary Fleet Tug
    Planned and authorized as Rescue Ocean Tug (ATR-123)
    Reclassified Auxiliary Fleet Tug (ATA-196) 15 May 1944
    Keel Laid 24 November 1944 - Launched 21 December 1944

  1. USS ATA-196
    Commissioned 6 March 1945

    Named 16 July 1948 - Decommissioned, date unknown

    Struck from the Naval Register 15 April 1976

  3. ROCS TA PENG ATA-549 (Taiwanese Naval Service)
    Sold to Taiwan 1 May 1976
    Fate unknown

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     (DATE RANGE)



This section lists examples of the postmarks used by the ship. There should be a separate set of postmarks for each name and/or commissioning period. 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 2
17092 Branch


The ship had no postal facilities.


Other Information

NAMESAKE - Lake in New York, 50 miles south by east of New York City.

There has been three ships of the US Navy that have borne the name MAHOPAC - USS Mahopac (1863 Armored Monitor), USS Mahopac ATO-29 and USS Mahopac ATA-196.



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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