Coordinated submarine attack group,
TG 17.3 (Captain Warren D. Wilkin), operating near Luzon Strait,
attacks Japanese convoy; submarine Tilefish (SS-307), trailing
Rock (SS-274) and Sawfish (SS-276), torpedoes Coast Defense Vessel
No.17, 21°50'N, 119°55'E as the latter hunts for Rock, whose attack
on enemy ships is not successful. Sawfish torpedoes oiler Harima
Maru, 21°56'N, 119°50'E.
10/26
Submarine Rock (SS-274) sinks Japanese
merchant tanker No.7 Takasago Maru near Balabac Strait, 10°18'N,
117°47'E