ANNEX MeSiG Lo), ZO OPER.TICNS PLail NO, 4.54 WU EL R95 “A fSGC.7 2 301 LUI CATIONS fe 1, GENERAL. HED.Us.TERS . T..SK GROUP 7,4, PROVISIONAL Kirtland aF Base, New hexico 15 June 1954 This annex prescribes the policies and resnonsibilities for installation, maintenance and operation of communications-electronic facilities in support of Air Force activities in the Pacific Proving Grounds (PPG) during the interim period following Cperation CaSTIE 2, GUIDING PRINCIPLES a, No further full scale tests will be conducted in the Pacific b, Task Group 7.2 will provide communications sunport and Proving Grounds within one year of completion of Operation CASTLE, coordinate communications requirements for all elements of the Eniwetok Garrison Force, (1) (2) It will provide crypto guard facilities for all Air Force activities in the Pacific Proving Grounds, It will operate and maintain a relay center, Eniwetok, with the following termin- tions: (a) SNIUETOK-US:RPaC Duplex RaTT (1) (b) ENI TTOK-KvaJaLSIN MUX SaPT (1), The 4930th Test Support Group will provide, operate and maintain terminal transmitting, receiving and multiplex equirment and will allocate one channel to the Joint Relay Center, ENI'=T0K, (3) (c) Local teletype service to aACS Communications Cen ter, ENIVETOK, (d) Local teletype service to Tas Group 7.2 and Task Group 7.5 (Holmes and Narver), It will operate and maintain the ENI.. TOK Island telephone plant, ce, All classified traffic will be encrypted off-line, ina machine or tape system, prior tottransmission, ad, Major emphasis will be placed on the proper storage, main- e, Interim Communications Operating Instructions published tenance, repair and rehabilitation of all communications equipment and systems, and distributed by Headquarters, Joint Task Foree SEVEN, will supplement instructions contained in this order, — on & f Del veclassiicd PN NOS es ? > T..SK GROUP 7,4 OPRS Plal 4-54 ANNSX D goss wn