Russian merchant ships underway from Vladivostok to the USA according to the U.S. Joint Intelligence Committee. Daily summary dated 3 January 1942

An item reported that around 12 Russian merchant ships left Vladivostok in the past few weeks bound for the USA. The J.I.C. commented that probably was feared for a Japanese surprise attack and that ships search for a safe harbour.

Source

Map Room Papers (Roosevelt Administration), 1942 - 1945. U.S. Joint Intelligence Committee. Daily summary No. 24 dated 3 January 1942