O-10 SS 71

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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.

    O Class Submarine
    Keel Laid 27 February 1917 - Launched 21 February 1918

  1. USS O-10 (Submarine)
  2. Commissioned 17 August 1918

  3. USS O-10 SS-71
  4. Designated 17 July 1920 - Decommissioned 25 June 1931
    Recommissioned 10 March 1941 - Decommissioned 10 September 1945

    Struck from Naval Register 11 October 1945
    Sold 21 August 1946 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. USS O-10 SS-71 Covers Page 1     (1924-28)



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 To
Postmark Image
Thumbnail Link To
Cover Image

1st Commissioning 17 August 1918 to 25 June 1931


Duplex Postmark

Coco Solo, Canal Zone



Sailor's mail. From the Paul Huber collection.


Duplex Postmark

Coco Solo, Canal Zone



The ship had no postal facilities.


Locy Type 3


Division Fourteen


"When eight of the submarines of the O class were decommissioned at the Philadelphia Navy Yard in 1931, the mail clerk of Submarine Division Fourteen, Battle Fleet produced commemorative covers for the events. The name of each submarine was given in the killer bars of the cancel. This does not imply that the division post office was aboard each boat; it was located at the yard along with the staff of the division." 1995 USCS Postmark Catalog. From the Paul Huber collection.

2nd Commissioning 10 March 1941 to 10 September 1945


Locy Type 3z



Censored, Sailor's mail. From the Paul Huber collection.


Locy Type 7z



Official Business. From the Paul Huber collection.


Other Information

This section lists any other information that might be relevant to this ship.



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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