7.4 radio circyits. Command.r, Task Group 7.4 may impose radio silence as required for accomplishment of his mission, je Since the new phonetic alphabet (ALPHA, BRAVO, COCOA, otc) is not being used by all services, the old phonetic alphabet (ABLE, BAKER, CHARLIE, etc.) will be used. 3. MONITORING: ao. Communications channels of Task Group 7.4 in the forward area will be monitored by commmications security personnel of Joint Task Force SEVEN, They will analyze messages to detect violations of security, to determine the amount of information of an intelligence value being made available to unauthorized agencies, and to make recommendations as to necessary corrective action. 4. RESPONSIBILITY: a. Commanders are responsible that communications security is b. A high degree of communications security will minimize the observed at all times. danger of compromise of classified information. The following functions. are necessary to establish an acceptable dogree of communications security: (1) Adherence to provisions of ACP 122 (B), "Communications (2) Indoctrination of all personnel in the need for Communcations Security, (3) Instructions, Security". Operation of all communications facilities in accordance with procedures as prescribed by Joint Task force SEVEN Communications Operation Instructions (COI's). c.. Commanders of the Task Units of Task Group 7.4 will be res~ ponsible for the supervision and coordination of communications security matters within their respective Task Units, . d. It is mandatory that classified matters not be discussed over any voice radio circuits including VHF and UHF radios, Users of voice circuits will be held responsible for security violations. 5. MESSAGE TRAFFIC: a. Each message written for electrical transmission will be classified according to its contents. b. The tributary circuit (wire) between Headquarters, Task Group 7.4 and the Joint Communications Center on ENIWETOK is approved for transmission of messages up to and including SECRET, c. When Task Group 7.4 is based at ENIWETOK, TOP SECRET and RESTRICTED DATA messages will be handcarried between Headquarters, Task Group and the Joint Commumications Center, d. A message drafters improvment program will be placed in effect by all units of Task Group 7.4, with special emphasis on the following: (1) Proper classification, TASK GROUP 7.4 OPRS ORDER NO, 2-54 ANNEX "E", APNDX 3 E3-2