January 18, 1942

Sunday.
Underway enroute Pearl Harbor.
Nice Sunday morning at sea.
1100 U.S.S. Pyro and U.S.S. Caster and two destroyers U.S.S. Perkins #377 and U.S.S. Aylwin join convoy. They probably were out of San Francisco.
U.S.S. Kennison and U.S.S. Waters departed.
At 1300 General quarters was sounded.
Submarine periscope was sighted also picked up by listening device on U.S.S. Perkins.
Perkins made to vicinity of where sub was detected and drop 3 depth charges.
Claims submarine was probably sunk as oil and debris came to surface.