Submarine Jack (SS-259) attacks
Japanese convoy of six tankers shepherded by escort vessel Shimushu
in South China Sea about 300 miles west of Luzon, sinking merchant
tankers Kokuei Maru and Nanei Maru, 14°34'N, 114°11'E; Nichirin
Maru, 15°40'N, 115°48'E; and Ichiyo Maru 15°46'N, 115°57'E.