Allies claiming successful attacks on enemy submarines in the Atlantic Theater according to the U.S. Joint Intelligence Committee. Daily summary dated 23 January 1942

An item referred to the J.I.C. comment that the day before probably three enemy submarines active in the Atlantic Theater were sunk of heavily damaged by attacks of aircraft, blimps and surface unit. A combination of this three types was successful in an attack off Atlantic City. Just one torpedo attack was reported namely 550 miles east south east of Cape Race.

Source

Map Room Papers (Roosevelt Administration), 1942 - 1945. U.S. Joint Intelligence Committee. Daily summary No. 44 dated 23 January 1942