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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.

    Guardian Class Radar Picket Ship
    Keel Laid 20 March 1945
    Launched 8 May 1945 as Liberty Ship "JAMES SQUIRES"
    Delivered 31 May 1945 to Waterman Steamship Co.
    Returned to Maritime Commission 5 October 1945
    Laid up in National Defense Reserve Fleet, James River Group
    Acquired by U.S. Navy 1954

    Commissioned Ocean Station Radar Ship (YAGR) 1 February 1955

    Redesignated Radar Picket Ship (AGR) 28 September 1958
    Decommissioned 28 July 1965

    Struck from Naval Register 1 September 1965
    Scrapped September 1971

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 Guardian YAGR-1 / AGR-1 Covers Page 1     (1956-1959)



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
2t(n+u) (YAGR)




Locy Type
2t(n+u) (AGR,USS)




Locy Type


YAGR-1. Courtesy of the Bob Govern collection.


Locy Type
9fu (USS)




Other Information

USS GUARDIAN earned the Navy Expeditionary Service Medal and the National Defense Service Medal during her Naval career.

NAMESAKE - One who guards or protects.

The ships sponsor was Mrs. Elisa Broome.



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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