@ . @ “™ i ‘ 6 7 Ci} @ wo Communic cat ons COTFSEVEN No 3-53 serving as a tributary of Relay Center, ENIWETOK. ice on ENIWETOK will be provided by TG 7.2.. Telephone serv- (2) Previde’two channels of ENIWETOK-KWAJALEIN MUX circuit to Has, JTF SSVEN for termination in Relay Center, ENIWETOK. (3) Operate and maintain commanications facilities for AOC on ° ENIWETOK ISLAND and provide communications personnel as required for AOC abcard the command chip. “4 (4) Provide communications personnel as required for operation 38 of task force weather central aboard the command ship. 3 (5) Provide airborne VHF simplex radio relay facilities for VHF Ty radio relay between BIKINI and ENIWETOK ATOLLS. f. oo. . AEC Base Facilities Task Group (TG 7.5) 4 ' ' (1) Operate and maintein telephone systems, except on ENIWETOK Os ISLAND, (2) Provide and maintain wire circuits in the inter-island and buoy cable systems to meet timing telemetering and communications requirements of the scientific pregrams and to meet operational and administrative communications requirements of Hqs, JIF SEVEN. -(3) Cperate |and maintain the LOS ALAMOS terminal of the | ENIWETOK-LOS ALAMOS RATT circuit. (4) Provide. alternate ZI relayfacilities from Communications Center, LOS ALAMOS, fer forward areas task force traffic during oP erati onal‘periods. - (5) Operate and maintain TG 7.5 commmnication-electronic equip- ment and, with the assistance of TG 7.2, military type’ radio:“equipment required for use by TG Te 1 and 7. 5. . (6) Operate and maintain T¢ 7.5 ‘boat pool communications ¢ facilities. 4 Og (7) Operate motion picture facilities at BIKINI and ENIWETOK ws ATOLLS (excluding those on ENIWETOK ISLAND}. (&) Prepare and distribute a consolidated atoll telephone directory in accordance with JTF SEVEN COI item 40-1. — (9) Provide a central receiving peint for traffic (except TOP sce SECRET and RESTRICTED DATA) for TG 7.1 and TG 7.5 received from Hqs, Sed ny JTF SEVEN Communications Center (PARRY ISLAND). _ Bo An. Task Groups , (1) Subxit telephone directery and subsequent chanzes thereto in accerdance wich JTF SEVEN CCI item No. 40-1. (2) Maintain a transmission security training program for all users cf voice radio facilities and a meesage drafter improvement BEST AVAILABLE COry