Report of the cryptographic significance of the capture of U-505
Report of the cryptographic significance of the capture of U-505, the German U-boat that was the first enemy warship captured in action by the U.S. Navy since the War of 1812, July 13, 1944
Records of the Office of Chief of Naval Operations, Record Group 38
Indicators that this is a Federal record:
Internal memorandum on the letterhead of a Federal office
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