ee CtFOR RECON . ee 12 Apt 195%- 4" “" SoRETS BRAVO Shot, Operation CASTLE le Leos To make ¢ matter of record operational espects that” FU sew RON2 BRAVO evens of OperationCiSTLE and to analyse the aresultanteifuation in the Light of avaiable pronebet and peetaabot informatt dite 2. ATTOs Operation CASTLE ts planned to ccnstet of @ cas at the Paekfie Proving Grounds, wich firing of the first deviss, Teland, BIKIME Atoll. Subsequent to FUV0 detcnation radicect’ 4 . the code name thet we Gven the at C4458 on 2 Marck 195b, off NAMB £ $ EXIMETOE and BIXINE Atoi=2.BRAVO i series ‘of ‘seven certain inhabited atolls o? the northern Marehell Zelendiy Radiation. intensitive rove. talevels sufficient to wasrams evacuation of four stclis and all perscmel, were removed from these stolle to KWLJALEIN in aseordance with the operational exsergency plan of JTF SEVEN, «reap evacpated end gemma dosages received are indicated below: *. STL, iilinginas Hongelap . Rongeril Utirik. TON POPUL 1? DIST/NCE FROM -~N e. 7S We 65 100 Mt 1 270 at 28 # 133 1a RECEIVED DOSES a0 8 computed, 100-136 & 40 96 R fila badge) ' 4Q7eR ' 28‘merican Service sreomnal 39 USAF Weathey Detachzen® plug 3 USS Signal Corpe personnel. ALL evacuees are under competent medical care, Ttoriginstes from fission fragecchs vaden arethe vention of vous elements and surface materials, sci]. and water, made redicactive by accompanying radiation fields, Debris ia sucked high into the atmcephere by afterainds of the explosion, Where titis. radioactive debris will fall ig a major preeshot consideration and primarily influences the decision to detonate a nuclear explosion at a certain tins. DELOURE KelS$