Leonardo da Vinci At War

WED 21 APR 1943
Pacific
Submarine Grenadier (SS-210) is damaged by Japanese plane (936th Kokutai) near Straits of Malacca (see 22 April).

Submarine Stingray (SS-186) mines waters off Wenchow, China.

Admiral Koga Mineichi is appointed Commander in Chief Japanese Combined Fleet.

Atlantic
Destroyer Swanson (DD-443) drives German submarine U-129 away from NG convoy in the Greater Antilles.

Indian Ocean
U.S. freighter John Drayton is torpedoed by Italian submarine Leonardo da Vinci off the coast of South Africa, 34°00'S, 34°40'E, and abandoned. Leonardo da Vinci then surfaces, finishes off the freighter with gunfire, and temporarily detains a member of the crew on board for questioning before returning him to his shipmates (see 23 and 27 April and 21 May).