OtherUS Submarine Development Squadron Twelve
Cachets should be listed in chronological order based on earliest known usage. Use
the postmark date or best guess. This applies to add-on cachets as well.
| Thumbnail Link To Cachet Close-Up Image | Thumbnail Link To Full Cover Front Image | Thumbnail Link To Postmark or Back Image | Postmark Date Postmark Type Killer Bar Text Ship --------- Category |
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Commissioned Submarine Development Group 2 - 9 May 1949 |
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DEVRON12 Crest |
"Submarine Development Squadron 12's mission, as assigned by the Chief of Naval Operations, is to develop the tactics and promulgate the tactical doctrine to conduct submarine warfare."
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1965-01-13 |
Cacheted
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1965-01-12 |
Cacheted
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1965-01-11 |
Cacheted
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