From: Manila (Nihro)
October 20, 1941
Primary intelligence. The Houston, the Marblehead, eight destroyers, ten submarines (of the 170 and 190 class) and one mine layer left port on the morning of the 20th. Their destination is unknown.
ARMY 23906 Trans. 10/24/41 (6)
(EXHIBITS OF JOINT COMMITTEE , EXHIBIT NO. 2 JAPANESE MESSAGES CONCERNING MILITARY INSTALLATIONS, SHIP MOVEMENTS, ETC.)