US forces attacking enemy submarine off Wilmington, North Carolina according to the U.S. Joint Intelligence Committee. Daily summary dated 22 March 1942

An item reported that an US Army aircraft bombed off Wilmington, North Carolina an enemy submarine scoring two direct hits. It was believed that the submarine sunk.

Source

Map Room Papers (Roosevelt Administration), 1942 - 1945. U.S. Joint Intelligence Committee. Daily summary No. 102 dated 22 March 1942