American Signal Intelligence in Northwest Africa and Western Europe

Appendix B. War Department The Adjutant General's Office Washington

AG 311.23 (320–43)OB-S-B-M

CJM/reh-2B 939 Pentagon

March 26, 1943

SUBJECT: I intercept Directive

TO: Commander-in-Chief,

Southwestern Pacific Area;

Commanding Generals,

North African Theater of Operations;

European Theater of Operations.

1. 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 ...