French naval reservists prepared to be called within 24 hours according to the U.S. Joint Intelligence Committee. Daily summary dated 15 December 1941

An item referred to the M/A Vichy France reporting that since 13 December French naval reservists could be called within 24 hours and departure of French ships to the United States were cancelled.

Source

Map Room Papers (Roosevelt Administration) mr0422a. U.S. Joint Intelligence Committee. Daily summary No. 5 Dated 15 December 1941.