Communications CJTF SEVEN No. 1-53 (6) Install, operate and maintain BIKINI terminal facilities, to include AN/TRC equipment for use on ENYU-ESTES ciphony link and HF transmitting and receiving equipment (ENYU) for use on ENIWETOK-BIKINI RATT duplex circuits (7) Install, operate and maintain theater facilities at ENIWETOK ISLAND; install and maintain motion picture projection facilities at PARRY ISLAND and BIKINI ATOLL» (8) Operate a crystal grinding facility for emergency production of crystals for ail elements of the task force. (9) Furnish emergency power for communications facilities provided by TG 7.2, to include the joint transmitter building. (10) Operate a battery charging plant for the maintenance of storage batteries. (11) Provide maintenance for Special Service radio broadcast station WXLE and Special Service radio receivers. (12) Provide personnel and equipment te operate and maintain Headquarters, JIF SEVEN teleconferencing facilities on PARRY ISLAND. (14) Install, operate and maintain facilities control of circuits terminating in Relay Center, ENIWETOK. ro (13) Provide such other electronic facilities, the operation and maintenance of which are normally considered a responsibility of the Signal Corps, which are within the capabilities of personnel and equipment évailableo (15) Provide a send and receive TT circuit from Headquarters, JTF SEVEN Communications Center (PARRY ISLAND) to central receiving point in Building 208-209, PARRY ISLAND, for delivery of teletype traffic for TG 7o1 and TG 750 Co Naval Task Group (TG 7.3) (1) Provide internal task group communications to include relay facilities from USS ESTES and/or CVE to task group ships at sea. (2) Provide space aboard USS ESTES for housing and operations of 1 officer and 10 enlisted men of the communications security monitoring detachmente (3) Provide communications for transmission of traffic of an administrative nature only between CTG 7.3 and the Navy Department and with naval operating forces not directly concerned with CASTLE. (4) Operate and maintain shipboard command and control communi- cations facilities for CJIF SEVEN and staff afloat. Li, Insure complete a (16) Where, in the foregoing paragraphs, installations is a re- sponsibility assigned to CTG 7.2, it will be accomplished in conformity with specifications issued by CJTF SEVEN.