on ommunicats cas StY SEYRT Ne 3-53 ©. Personal meanage sersice as cue linad in COT 29-2. wilt be Swaslable tc ali peracunel .: the ENTWETOK BIRKIN] area £ Radintoletype facsiit.es will te used in lieu of voice radio wWiernrver practicable for communictati~vs security reasons. @. Since the new phoneti> aishatet (alpha, brave, coca, etc.) .8 not being used by ail Serwi-es ‘he uid pnonetic alprabet (able, baker, cnarite, ete ) will be use during CASTLE h. COIs issued by *135 haatyiectere will sipclemsent instructions contained herein a. Wo cover or deseptinn g.an .2 5: be ear lcved exceot for decep- tion offered by the renes-sein avt fcr culn eraffie security as t8 provided by the use of oIGT7 SEMEN ogasrment cn RATT etreuite 4 Bo requiresernts (7° reddit * Vecce are weoret on Joint Pask F.-rce SEVEN radic circuits Co martere «f tare groups may ispose radie atlente as rey.srad for at mlleneenr cf ther mission. Sreraticca, Sonvepe,Cazatatoeses and Lasitarsors of tne Beete and Commur.scatscn Plans a. TasxPer-e Operazz~.o yperat. -. CASTLE ail se conducted on th EXIWSTOS and SIKINT ATOLLS atice ave apprcxinaitely 180 mlles apart ESTWETOR ATSLL will ce che tase of orerations trrespective of the scope cf activicies a TURIND ALE Joint cask force and task group heacquertere exces? VT * , will be located at EXIWETOK ATOLL with commande:* ant xey operations staff personnel rong tc BIKINI a> as %« te on sce ew. (3) days before and cne (1) day after sach snot Headquarters 7G 7 ft. will be located on PARRY ISLANT until about cne wten irior te che first shot Thereafter, at will te incated aficat ou tard che IVE uniess otherwise directed Aiministrative ard cccistics etaffs will retain on EXIWETTK ATIL Tre Air Fore Tain cr up wili-.te based on ENIWETOK ISLAND The P2V patrol equaders -f 7 4 wo+4 be based at PWASALEIN for maintenance oni will stage patrol a:ssicns through ENIWETCK ISLAND During shots ard renearsais command of joint : task force alr operations witli be exercised tpvough the CIC of the ,/ command ship ‘The joint ‘ask f-° e atr cntr.llers wiii also contro] movement of T 7 4 air-raft ard che ncvetents of cther aircraft as may be appropriate &. Affect on Communications. Operaticns over such widely disper- sed areas, a5 wel, as contre. of operaticrs free both ashore and afloat, make reliable aml ef{.crent ¢-mminications a mandatory requirement. 1 c. Types of CommunicationFaciitties A limited number of submarine cable telepnone circuits will ce maintained and operated by Task Group 7 5 *to ainter-eonnest istania of the ENIWETCE ATOLL and to ianter-connect islands of SIKINT ATLL Maxveum use should be made of these facilities to meet ~cmmunacaticn ineeds within each atoll because cf the commnitaiics security afforded by wire facilities. However, the limited ructer cf cable facilities, wide dispersion of operations and work par*see and the;number of aircraft and ships involved will require extens.ve use {f medium (MF), high (HP) and very high frequency (VHF) ant altra high frequency (UH?) :