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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 29 September 1943 - Launched 12 March 1944

  1. USS JALLAO SS-368
    Commissioned 8 July 1944 - Decommissioned 30 September 1946
    Commissioned (in reserve) in early 1953 for Guppy IIA conversion
    Decommissioned upon arrival at New London
    Recommissioned 4 December 1953 - Decommissioned 26 June 1974

    Struck from Naval Register 26 June 1974

    Sold to Spain 26 June 1974 - Decommissioned 12 December 1984
    Scuttled off Cartagena in 1985
Jallao SS368 Crest.jpg
NarcisoMonturiol S35 Crest.jpg

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 Jallao SS-368 Covers Page 1    (1943-85)



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

Date From
Date To
Thumbnail Link To
Postmark or
Cover Image
Thumbnail Link To
Cover Image


Machine Postmark

Groton, CT


GregCiesielski Jallao SS368 19640217 1 Front.jpg
GregCiesielski Jallao SS368 19640217 1 Postmark.jpg

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


Other Information

USS JALLAO received the Asiatic-Pacific Campaign Medal w/ four battle stars and the WWII Victory Medal for her World War II service.

NAMESAKE - Named for the jallao, a pearl-white haemulonid food fish of the Gulf of Mexico.

NAMESAKE - Narcís Monturiol i Estarriol (28 September 1819 – 6 September 1885) was a Spanish intellectual, artist and engineer. He was the inventor of the first air-independent and combustion-engine-driven submarine.



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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