- MON 1 JUNE 1942
Small reconnaissance seaplane from Japanese submarine I-10 reconnoiters Diego Suarez.
U.S. freighter West Notus is shelled by German submarine U-404 off Cape Hatteras, North Carolina, 34°10'N, 68°20'W; four of the 35-man merchant complement are killed in the attack. The 36 survivors (31 merchant seamen and the five-man Armed Guard) are divided among two lifeboats (see 2, 3, and 4 June).
U.S. freighter Illinois is torpedoed by German submarine U-172 at 24°00'N, 60°00'W; only six of the 38-man crew survives the loss of the ship (see 7 June).
Norwegian merchantman Margrethe Bakke rescues the 25 survivors from U.S. freighter Alcoa Shipper, sunk by German submarine U-404 on 30 May.
Gulf of Mexico
Unarmed U.S. freighter Hampton Roads is torpedoed and sunk by German submarine U-106 in the Yucatan Channel at 23°00'N, 85°42'W; five men perish. The 23 survivors are rescued by freighter Alcoa Pathfinder.
U.S. freighter Knoxville City is torpedoed and sunk by German submarine U-158 south of the Yucatan Channel at 21°15'N, 83°50'W; two men perish. The survivors (35 merchant seamen, 14-man Armed Guard and four passengers) abandon ship into two lifeboats (see 3 June).
Destroyer Biddle (DD-151) rescues 15 survivors (including two Armed Guard sailors) of U.S. tanker New Jersey, sunk on 28 May by German submarine U-103.