Human torpedoes attacked fruitless Alexandria, Egypt according to the U.S. Joint Intelligence Committee Daily summary dated 17 May 1942

An item reported the attack by human torpedoes on 14/15 May on the port of Alexandria, Egypt but unsuccessful thanks to the harbor defenses.   

Source

Map Room Papers (Roosevelt Administration), 1942 - 1945. U.S. Joint Intelligence Committee. Daily summary No. 158 dated 17 May 1942