On 8 May 1941, German submarine U-110 attacked an allied convoy that included the British ship HMS Bulldog. Damaged by depth charges, U-110 surfaced and was boarded by the Bulldog's crew, who collected all the papers they could find (no one spoke German, so they couldn't be selective), and an Enigma machine. Bletchley Park already had several Enigmas at this point. Bulldog's triumph was recovering the codebooks. US Navy only managed to capture one late in 1944. Bulls**t American revisionisn.