coriunications requirenents at TACHGI would be for all purposes aporoxinately the saac. instrumented ship. This would be as of the arrival of the At that time, from the standpoint of persomel (STF, 7.3, Tel, ete.) required to be at the eite for operational reasons, the shipboard communication systen should suffice. Available would be voice, Cil, and teletype facilities with acceptable security provisions. Ee As brought out by Walter Gibbins during conference on 3 January 1957, even under the UCRL concept there would be some requirenant fer a cormunications structure ashore, Degree of facilities and construction depends on whose opinion is asked. If no sizable pre-overationsl requirenent is present, this facility night consist of just ship-toe shore cormunicatd on. ce Throughout the Proving Ground, harever, Situation IT ari III weuld result in little if any incresse in the REDJING comminications. Under these tio situations the ships previously provided for SIKIT would not be required (ships would not be required for evacuation, but snail craft would be needed) ami the facilities could be made available to TAONGI, Under Situation II the land based facilities at BIEINI would remain operative but in Situation III this would not be necessary unless BIKINI was utilized logistically, Prior to the arrival of the instrumented ship at TACNGI, if Han is in the area, som type of cammunications would be required. Deosnd= ing upen the effect being expended at TAONSI this might range froa cemiunications emancting for a type Stetion 70 to 2 plane dispetcied daiiy from KWAJALET!, BIKINI or ENIWETOK to mate periedie contacts Co Ly)