a. . Tel uses Communications : The following communication facilities will be available for Task Group le One permanent relay-crypto center at Eniwetok to be installed, operated and maintained by TG 7.2. Tributary stations serviced by this relay center will includes Hqs., JIF SEVEN, TG 7.2, TG 7.3 (afloat), USS ESTES, and other ships as required (i.e., CURTISS, CVE, LSD), and TG 7.4. Headquarters, JTF SEVEN communications center will provide service for TG 7.1, TG 7.5, and TG 7.3 (ashore). 2. Crypto center, Eniwetok, will be crypto guard for all above mentioned tributary stations except TG 7,3 (afloat). For handling of teletype traffic up to and including SECRET, between major forward and rear echelon task force elements, the following radio teletype circuits wll be operated "ON-LINE," using SIGTOT with SAMSON (synchronous mixer): CIRCUIT . TYFE Eniwetok = Oahu Full Dux (1) Eniwetok = Bikini Full Dux (1) Eniwetok - Kwajalein Full Dux (2) Eniwetok ~ Los Alamos Eniwetok = AGC (USS ESTES) NOTE: Full Dux (1) Full Dux (1) Full Dux - sending and receiving simultaneously, Traffic not capable of being handled by means of on-line facilities will be enciphered off-line prior to transmission. All Top-Secret and Restricted Data traffic will be enciphered off-line, This is necessary to meet AEC requirements, and, in addition, terminal commnications personnel are not in all instances TOP SECRET or "Q" cleared, Telecon facilities will be available at Headquarters, JTF SEVEN 3e (Parry Island). he Wire telephone facilities cleared for conversations up to and including SECRET will be available ats (a) ENIWETOK ISLAND (400 line dial exchange) with connecting service to other islands. other islands). (b) BIKINI ATOLL (connecting service between necessary islands). (c) PARRY ISIAND (220 line manual with connecting service to (a) Ship~Shore, buoy cable at Eniwetok, Parry; and Bikini, (e) AN/TRC radio, limited to unclassified traffic, will be used as a back-up for the foregoing facilities, Be Voice Radio Facilities for unclassified traffic. (a) Eniwetok ~ Bikini, (b) Enyu firing party - USS ESTES (VHF). (c) Betwem Ships (UHF, VHF, AN/TRC and HF). (a) Ship-Shore (VHF, AN/TRC, and HF). (e) TG 7.1 Commercial Radio Nets on Eniwetok, Bikini, and on selected ships and aircraft to provide for scientific and operational needs COPIED/DOE LANL RC “ee