My telegram Circular Z. 43.  Please give the following message to the Prime Minister  for his Most Secret and Personal information. BEGINS.
Following message has been sent by Chiefs of Staff to our Naval Commanders-in-Chief, our Commanders-in-Chief in the Far East, Middle East and India and to the Air Officer Commander-in-Chief, Middle East.
There are a number of indications pointing to aggressive action by the Japanese in the near future which may involve us in war with them. This is not warning telegram and calls for no action beyond increased vigilance and unobtrusive precautions. ENDS.