0. @ | e _~ e ‘ Communications Qo mp CJUTF SEVEN No. 3-53 , ce e Pe ye web RT tee EePete The Comuander, TG 7.3 will provide crypto facilities for Navy traffic transmitted and received over CTG 7.3 CW Common Net. (4) Operate and maintain all land based communications facilities required at ENIWETOK ATOLL except: (a) Task Group 7.4 internal communications. (b] Task Group 7.3 internal communications. (c) Telephone plant on islands other than ENIWETOK. (d) Inter-island and buoy cable systems. (e) Special facilities required by TG m1 and 1G 7.5. 8 - (f) Inter-atoll radio facilities of TG 7.1. , (5) Operate and maintain backup facilities for: 7a | (a) The ENIWETOK-PARRY submarine cable circuits. at (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 centers at PARRY ISLAND and BIKINI ATOLL, using standard teletypewriter equipment. (6) Operate and maintain ENYU terminal facilities for the USS ESTES ~ VEF ciphony link. Be prepared to move, upon . order of CUTF SEVEN, equipment and operations to PARRY ISLAND. . . (7) Operate and ‘maintain HF radio terminal facilities at ENYU for use on the ENIWETOK-BIKINI RATT duplex circuit. (8) Operate and maintain theater facilities at ENIWETOK ISLAND and maintain motion picture projection facilities at PARRY ISLAND and BIKINI ATOLL. . J ; (9) Operate a crystal grinding facility for emergency producti of crystals for all elements of the task force. (10) Furnish emergency power for commmications facilities pro- vided by T 7.2, to include the joint transmitter building. (11) Operate a battery charging plantfor the maintenance of storage batteries, ‘4 zA “A (12) Provide maintenance for Special Service radio broadcast te SPER cans See ita Lo petetaries (13) Provide persennel and equipment to operate and maintain Has, JTF SEVEN teleconferencing facilities on PARAY ISLAND, (14) Provide a send circuit from Hqs, JTF SEVEN Communications Center (PARRY ISLAND) to central receiving point in Building 208- 209, PARRY ISLAND, for delivery of teletype traffic for TG 7.1 and