F.D.R. On Iowa

FRI 12 NOV 1943
Atlantic
President Roosevelt embarks in battleship Iowa (BB-61) at the start of his journey that will include his presence at conferences at Teheran and Cairo.

Pacific
Submarine Harder (SS-257) attacks Japanese convoy, sinking auxiliary minesweeper No.11 Misago Maru, 21°40'N, 144°40'E, and damaging motor sailing vessel Hei Maru.

Submarine Scamp (SS-277) torpedoes Truk-bound Japanese light cruiser Agano (damaged the previous day by TF 38's strike), 01°03'N, 149°15'E.

Submarine Thresher (SS-200) torpedoes and sinks Japanese transport Muko Maru north of Truk, 09°02'N, 152°46'E, but is damaged by depth charges and terminates her patrol.

[Compare & contrast these next two items.]
Japanese transport Tokyo Maru, damaged by Scamp (SS-277) on 10 November, sinks at 05°42'N, 151°09'E. Destroyer Suzutsuki rescues survivors.

Transport Tokyo Maru, damaged by submarine Scamp (SS-277), sinks while under tow between Kavieng and Truk, 03°39'N, 150°37'E.
[??]

USAAF B-24s bomb Japanese naval base at Surabaya, Java, damaging submarine chasers Ch 6 and Ch 10.

Atlantic
Open lighter YC-857 sinks after grounding off Cape Cod, Massachusetts.

PB4Y-1 (VB 103) sinks German submarine U-508 in Bay of Biscay, 46°00'N, 07°30'W.