AG 311.23 (320–43)OB-S-B-M
CJM/reh-2B 939 Pentagon
March 26, 1943
SUBJECT: I intercept Directive
Southwestern Pacific Area;
North African Theater of Operations;
European Theater of Operations.
In order to coordinate within the War Department the intercept of certain foreign radio transmissions it is essential that the signal radio intelligence companies and detachments now under your Command, and those that may come under your Command in the future, receive through the Signal Intelligence Service of your headquarters such directives as may be issued by the War Department. The detailed assignment of specific missions to those units will be made ...