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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.

    Allen M. Sumner Class Destroyer
    Keel Laid 12 July 1943 - Launched 8 December 1943

  1. USS O'BRIEN DD-725
    Commissioned 25 February 1944 - Decommissioned 4 October 1947
    Recommissioned 5 October 1950 - Decommissioned 18 February 1972

    Struck from Naval Register 18 February 1972
    Sunk 13 July 1972 as target off California

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 O'Brien DD-725 Covers Page 1    (1945-1967)



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

Post Office Established 26 March 1944 - Disestablished 30 June 1947


Locy Type 2(n)


Navy Day 1945


Locy Type 2(n)




Locy Type 2z


Official Business

Post Office Reestablished 5 October 1950 - Disestablished 15 January 1972


Locy Type


First Day Postal Service, Cachet by Tazewell G. Nicholson


Locy Type 2


Cachet by James T. Spalding


Locy Type
2(n+) (USS)




Locy Type
2(n+) (USS)



Replacement postmark with misspelled ship's name. From the Bob Govern collection.


Locy Type
2(n+) (USS)



From the Bob Govern collection.


Locy Type F

USCS Postmark
Catalog Illus. O-5a


Add-on Cachet by Michael Hebert (Mh Cachets)

USPS Pictorial Postmarks


Pictorial Postmark


Reno NV


Cachet by GA Cachet


Other Information

USS O'BRIEN received 6 battle stars for World War II service, 5 battle stars for Korean Conflict service, and 3 battle stars for Vietnam service

NAMESAKE - Captain Jeremiah O'Brien USN, who along with his five brothers, Gideon, John, William, Dennis, and Joseph, were crewmembers of the Sloop UNITY when it captured the HMS MARGARETTA at the entrance to the harbor at Machias, Massachusetts (later Maine), June 12 1775.

The ships sponsor was Miss Josephine O'Brien Campbell, great great-great granddaughter of Gideon O'Brien.

Five ships of the US Navy have been named in honor of Jeremiah O'Brien - USS O'Brien TB-30, USS O'Brien DD-51, USS O'Brien DD-415, USS O'Brien DD-725 and USS O'Brien DD-975.



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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