vIz to reduce addressees on shot time messaces to an absolute “need to know" baais which reduced relays eansiderably, Use of a radio controlled firing mechenism aboard ESTES necessitated a perio! of radio silence on all afrouits below 275 ace froa shot minus 20 minuted until deton- ation. The only exceptions to this rejuiresent pernitted vere essential telemtering siynals, voice tins broadcasts, traffic on eircreft con trol circuits end exergencsy traffic. 18. Meryptod reports of movements of chips ard usite within the aros constituted a large percemage of traffic during CASTLE. ro expedite handling of oovement reports, CJTF SAVE proposed thet they be made unclassified. CIBCPACFIT did no& concur. Gi XK March, CTG 7e3 promulgated a series of classified code words for use in nore= mant reporte which satisfied the rejulresent for clasaified reports, bub permitted aovencnt report messages to be trenmitted wencrypted. Designated code words, classified Confidential, vere substituted for "“Sniwetek” and "Bikiat® in eeseagee reporting sovemntes between these etolla, in which no other classified inforsstion wes inelwied, Special moveaants continued to be reported in encrypted reports of higher elassification. Incorrect usage cf several of the code warms, espec- fally by linkage with tdentifyiag navigational informstion, conpronised the oviginal series of code words. Tenporatily, acvenment reports were again classified confidential and encrypted witil the promigation of sore detailed instructions and a new series of code worde which was weed successfully thereafter. 237 ar WwhfHe