e@ e - cP ‘ , \? @ e Communizations CJTF SEVEN No. 3-53 ~ (2) BIKINI ATOLL (connecting service between necessary islands of BIKINI ATOLL). (3) PARRY ISLAND (270 line manual with connecting service to other islands of ENIWETOK ATOLL). (4) Six pair telephone cables are installed to the following buoys: L : oN +4 . vs , . . ENINMAN ISLAND PARRY ISLAND LSD Mooring ENIWETOK ISLAND B-l CVE Mooring AGC Mooring . Crash Boat Mooring BEST AVAILABLE COPY : : N-3 L-2 L-4 Crash Boat Mooring Buoy j- VHF Radio Backup. VHF radio relay equipment will be provided ° at key points as a backup for wire and cable telephone facilities but commmications will be limited to unclassified conversations ai messege traffic when such facilities are in use. TELEPHONE OPERATORS WILL INFORM TELEPHONE USERS IN ALL CASES WHEN CALLS ARE ROUTED OVER VHF RADIO RELAY FACILITIES AND USERS WILL BE INFORMED THAT CONVERSATIONS MUST BE CONFINED TO UNCLASSIFIED MATTERS. k. HF Voice Radio Circuits, Long distance and inter-atoll radio facilities using EF equipment will be limited to those authorized by CUTF SEVEN. All voice radio circuits will be limited to UNCLASSIFIED matter and the users will be held responsible for security violations. Task group commanders will be responsible that such facilities are used properly and in accordance with security requirements. Voice radio circuits will be closely monitored. Radio teletype or CW facilities will be used in lieu ef voice radio whenever practicable. The following long distance voice radio circuits . will be available on a closely controlled basis between the following points: ~ (1) canonasi - BIKINI ATOLL (controlled by CJTF SEVEN). (2) TG 7.1 PARRY - BIKINI ATOLL (controlled by CTG 7.1). (3) ENTWETOK ~ BIKINI ATOLL - KWAJALEIN (controlled by TG 7. 4 for the control of air movement traffic only). (4) AOC ENIWETOK - CIC USS ESTES (controlled by TG 7.4 for air operations). 1. ESTES-Firing Party Ciphony Voice Circuit. A two way VHF voice tions up to and including TOP SECRET'will be available between the USS ESTES end the firing party on shore. . at Kerwcots radio circuit with voice security equipment cleared for conversa~- Serwurtest ft ~ tet es - : coe et eee 8 FTE SEVEN and supporting agencies will provide 2all essential communications to insure the successful accomplishment of the mission of JTF SEVEN and subordinate elements. Such cowmunications will provide maximm security, reliability, accuracy, speed of service and flexibility consistent with existing technical and logistic capabilities.