experimentedwith until satisfactoryVHF opsretion was finally obtsined. A school on AN/TRC was established f’shoreend instructionsgiven to personnel eng~ged ~ the opsretion Of this eqUip!Wnt. With the arrivel of the main perty, additional facilities Including the shore.besedportions of the Technicel Net and transmitters for use by the }.tomicEnergy commission in the control stetlon at Perry Islend were inste~led md tested. Trensmitter8 $nd receivers were Installed for the speciel nete of other egencies in accordancewith Annex F to Field Order #1, Hq, Joint Tesk Force Seven. Test DavOmr etio~. During the planning for Peter Xrey D~y, it wms determined th?t all except necessery opereting pereonnel would be evecuated from Eniwetok end Perry Islands. A mexiuum of two (2) technicians were to renwln on the Zero Islsnd to operete &nd meintein 10CEI1telephone facilities, power md the VHF system until a finel evacuation with the lest }tomic Energy Commission personnel. 1st Lt. R. M. R&msey, US}, w~s designated es the officer to supervise comunicetions et the Zero Islmd end wes essisted by one of the redio technicims who normally opareted the AN/TRC-l equiFment on thpt ish+nd. The finsl evecuption of eommnicetions personnel on Peter Xrey Deywes accomplishedwithout incident. Direct redio telephone (}N/TRC) commanicetionsbetween the MT. blcKINIEY$ the control station et Perry, and the Zero Islmd were requested for use during the flnsl test preparations end evacuation. In order to meintein maximm technicel control of this network, it wes considered desireble to install e BD-72 switchboard in the VHF building on Lniwetok to be used es 63 Section XI I