USS Canopus (AS-9), with the Asiatic Fleet's Submarine Squadron Five alongside, during the 1930s. Submarines present include (from left to right): USS S-37 (SS-142); USS S-40 (SS-145); USS S-36 (SS-141); USS S-38 (SS-143); USS S-41 (SS-146); and USS S-39 (SS-144). US National Archives photo # 80-G-1014615, a US Navy Photograph, now in the collections of the National Archives.

6 April 1942

0205 One friendly plane took off.

0615 One Jap observation plane sighted.

0858 – 1615 Twelve air attacks by groups of 2 – 9 planes on Section Base, Army hospital, front lines and reserve positions.

Evening. Heard reports right center of front lines was in trouble due to dispersal of 41st Div. (Philippine Army) by artillery fire and air attacks. Beach defense and reserve units being thrown in to try and stop gap in lines.