Annex E tb CTG 7.2 Operation Plan No, 3-53 (Cont'd) - ; 3. TASKS FOR SUBORDINATE UNITS: a Signal Detachment 7126 AU: (1) Operate and maintain relay center, EXTWETOR. (2) Operate and maintain commnications centers for Head~ quarters, JTF SEVEN (PARRY ISLAND); Headquarters, TG 7.2 (ENIWETOK ISLAND) and in support of AEC operationsat BIKINI ATOLL. : ’ (3) Provide crypto guard facilities for Headquarters, JTF SEVEN, TG 7o1, 702, 7ehy 7e5 and fa other than intra 1G 7,3 (ashore) traffic. CTG 7.3 will provide crypto facilities for Navy traffic transmitted and received over CTG 723 CW common net. rl (4) Operate and maintainall land-based communications facilities required at ENIWETOK ATOLL except: (5) : (a) Task Group 7.4 internal communications, (b) Task Group 7.3 internal communications, (c} Telephone plant on islands other than ENIWETO, (a) Inter-isZr.d and buoy cable systans, (e) Special facilitics required by TG 7.1 and TG 7,5. (£) Inter-Atoll radio facilitics of ic Tole ; Operate and maintain backup facilities for: (a) The ENIWETOK-PARRY submarine cable circuits. (bo) The ENINMAN-ENYU submarine calbe keying circuits. (0) Buoy cable cireuits at ENIWETOK and BIKINI. (d) Oreline SIGTOT-SAMSON facilities at relay center, ENIWETOK and communications centers at PARRY ISLAND and BIKINI ATOLL using standard teletypetriter equipment. (6) Operate and maintain ENYU terminal facilities for the (7) Operate ani maiaitain HF radio terminal facilities at (8) Operate and maintain theater facilities at ENIWETOK USS ESTES ~ FIRING PARTY VHF ciphony link. Be prepared to move, upon order of CJTF SEVEN, equipment and operations to PARRY ISLAND. ENYU for use on the ENIWETOK-BIKI.2 RATT duplex circuit. ISLAND and maintain motion picture projection facilities at PARRY ISLAND and BIKINI ATOLL, (9) Operate a crystal grinding @acility for emergency pro- duction of opystals for all elements of the Task Force, (10}° Furnish emergency power for communications facilities provided by TG 7.2, to include the joint transmitter building. fund -! of storage batteries. ue = ---eury charging planc for tne maintenance BEST AVAILABLE COPY (12) Provide maintenance for Special Serviceradio broadcast- (13) Provide personnel and equipment to operate and maintain ing station WXLE and Special Service radio receivers. Headquarters, JTF SEVEN teleconforencing facilities on PARRY ISLAND. Ex3 , ~

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