British submarines successful in Ionian Sea according to the U.S. Joint Intelligence Committee. Daily summary dated 12 January 1942

The British admiralty reported that an eneymy transport was sunk and a medium-sized supply ship destroyed by British submarines in the Ionian Sea.

Source

Map Room Papers (Roosevelt Administration), 1942 - 1945. U.S. Joint Intelligence Committee. Daily summary dated 12 January 1942 No. 33