Communications CUJTF SEVEN No. 3-53 The Commander, 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 lend 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. (a) Inter~island and buoy cable systems. (e) Special facilities required by TG 7.1 and TG 7.5. (f) Inter-atoll radio facilities of TG 7.1. (5) 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. (a) 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 ~ -firing-party VHF ciphony link. Be prepared to move, upon order of CJTF 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. (9) Operate a crystal grinding facility for emergency productim of crystals for all elements of the task force. (10) Furnish emergency power for commnications facilities pro- vided by TG 7.2, to include the joint transmitter building. (11) Operate a battery charging plarifor the maintenance of stor- age batteries. (12) Provide maintenance for Special Service radio broadcast station WXLE and Special Service radio receivers, (13) Provide personnel and equipment to operate and maintain Has, JTF SEVEN teleconferencing facilities on PARRY 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 L-7