O >) 7,4 radio circuits, Commander, Task Group 7.4 may impose radio ‘silence as required for accomplishment of his mission, ; jf. Since the new phonetic alphabet (ALPHA,BRAVO, COCOA, etc.) is not being used by all services, the old phonetic ‘alphabet| (ABLE, BAKER, CHARLIE, etc.) will be used. - ‘ ae 3. MONITORING: ; a. Communications ohannels 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 nec~ essary corrective action. . 4. RESPONSIBILITY: ‘a. Commanders are responsible that communications security is observed at all times. . . , Po os b. A high degree of communications security will ninimize the = danger of compromise of classified information, The following functions _ are necessary to establish an acceptable degree of communications security: . Pog 2a - . r . aoaanal . (1) Indoctrinstions of all personnel in the need for Comman= . (3) ~ . - ications Security. Operation of all communications ‘facilities in accordance with procedures as prescribed by Joint Task Force SEVEN Communications Operation Instructions (cOr's). 7 ce Comenders of the Task Unite of Task Group "Th will be responsible for the supervision and coordination of communications security mat~ . ters within their respective Task Units... - . Adherence to provisions of ACP 1228), "Communications Instructions, Security.” . ‘ +. (2) ye . ~ won - 4 - - dy It 4s mandatory that classified matters not ‘be discussed over *y any voice radio circuits including VHF and UHF radios, Users of voice cir--~ cuits will be held responsible for security violations. . 5, MESSAGE TRAFFIC: “- a, Each message written for electrical transmission will be - olassified according to its contents, 3 . j b. 2k , The tributary cirouit-twire) between Headquarters, Task Group Th and the Joint Communications Center on ENIWETOK is approved for trans- . ‘mission of. messages up to and including SECRET. lo - “ge. When Task Group 7.4 As ‘based at ENIWETOK, oP‘SECRET and RESTRICTED DATA messages will be handcarried between: Headquarters,» Task _ Group and the Joint Communications Center, . - yO 4 ae - phdoe oe d..'A message drafters improvement program ‘will be placsd in effect by all units of Task‘GroupTeAy with Special emphasis on the following: te ‘ : . a Shy. fet ” aa, - (2) Properclassification . “TASK GROUP 744. . “QPRS ORDER NO. 1-54 5. se ro, 9. i 7