From U.S. Navy Headquarters:
ACTION: CinCAF, CinCPAC
INFO: Cinclant, Spenavo
This dispatch is to be considered a war warning. Negotiations with Japan looking toward stabilization of conditions in the Pacific have ceased and an aggressive move by Japan is expected within the next few days. The number and equipment of Japanese troops and the organization of naval task forces indicates an amphibious expedition against either the Philippines, Thai or Kra Peninsula or possibly Borneo. Execute an appropriate defensive deployment preparatory to carrying out the tasks assigned in WPL 46. Inform district and Army authorities. A similar warning is being sent by War Department.
Spenavo inform British. Continental districts Guam, Samoa directed take appropriate measures against sabotage.
Copy to WPD, War Dept.