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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 March 14 1944 - Launched June 26 1944

  1. USS PIPER SS-409
    Commissioned August 23 1944
    Converted to Fleet Snorkel Submarine 1951

    Reclassified Auxiliary Research Submarine (AGSS) June 15 1967
    Decommissioned June 16 1967

  3. PIPER AGSS-409
    Placed In Service as Naval Reserve Training Vessel at Detroit, MI
    Out of Service July 1 1970

    Struck from Naval Register July 1 1970
    Sold June 1971 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 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. SS-409 Covers Page 1     (1949)



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
Postmark Image
Thumbnail Link To
Cover Image


Locy Type


JohnGermann Piper SS409 19441127 1 Front.jpg

The ship had no postal facilities.


USPO Machine

Groton CT


GregCiesielski Piper SS409 19630603 1 Front.jpg
GregCiesielski Piper SS409 19630603 1 Postmark.jpg

Add-on cachet by Alton (Budd) M. Arrington


Machine Postmark

Groton, CT


JohnGermann Piper SS409 19641203 1 Front.jpg

The ship had no postal facilities.


Other Information

PIPER earned four battle stars during WWII

Credited with sinking...
The 111-ton Japanese Gaurdboat HOSEN MARU No. 3, February 25 1945 off Miyake Jima
Two small Un-named Japanese vessels, August 11 1945 off Kyushu

NAMESAKE - A fish of the halfbeaks family found in warm seas mostly along the shore. It swims at the surface, occasionally leaping into the air, and is named from the noise it makes when taken out of the water



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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