Communications CJUTF SEVEN No. 1~53 communications facilities. Communications Missions of Subordinate Task Groups ao Scientific Task Group (TG 7.1) (1) Procure, install, operate and maintain special electronic and communications equipment required by the Scientific Task Group, not to include inter-atoll or long-haul radioteletype or voice facilities. (2) Provide a delivery service to Headquarters, Joint Task Force Communications Center for outgoing teletype traffic and reproduction facilities for received teletype traffice (3) Initiate voice-time broadcast for all elements of the task forces (4) Provide program and facilities, except radio transmitting equipment, for time signal broadcast used in conjunction with fardistant off-site projectse bo Army Task Group (TG 7.2) (1) Install, operate and maintain relay center, ENIWETOK, for (2) Operate and maintain communications centers for Headquarters, JTF SEVEN (PARRY ISLAND), Headquarters, TG 7.2 (ENIWETOK ISLAND) and in support of AEC operations at BIKINI (ENINMAN). ~ Cy joint task forcee Insure a complete operator knowledge of on-line . SIGTOT operations. (3) Provide crypto guard facilities for Headquarters, JTF SEVEN, TG Tol, 7o2, Toh, 7-5 and for Headquarters, TG 703 when ashore. (4) Install, operate and maintain all land-based communications facilities required at ENIWETOK ATOLL except; (a) Task Group 7-4 internal communications (b) Telephone plant on islands other than ENIWETOK (c) Inter~island and buoy cable systems (d) Special facilities required by TG 7-1 and TG 7.5. (5) Install, operate and maintain backup facilities for: (a) The ENIWETOK-PARRY submarine cable circuits. (b) The ENINMAN-ENYU submarine cable keying circuits. (c) Buoy cable circuits at ENIWETOK and BIKINI. (d) On-line SIGTOT-SAMSON facilities at relay center, ENIWETOK, and communications center, BIKINI, using standard teletype equipment. 1-3 Wail, Ot 3