— CHEROKEE EVENT OPERATION REDCNG 1, CHEROKEE was detonabed over MANU Ienend ( OBARZIE) of BIKINI “Atoll at O551M, 21 May 1956, feet. rs The estinated burst altitude was 5,000 The cloud reached an estimated height ef &0,000 feet with the lower portion moving to the Northwest and upper erd main portion noVing generally to the Zast-hortheast at approzinetely 10 Imo tSe- Early reports on cloud height and initiel cloud movesent were‘provided ty cloud penetration and sempler aircref e 7 A reports: gave. low a 2 oO intensities and confirmed the forecast cloud trjectories, As ~ - . ~e a a *e ~~ ¢ » expected, the radiaticn exposure of the sircraft crew7S was”relatively t . 2. 858A and ZESRA ? ‘ - I Pev reciction recemmeissance aixcnaft Were - cloud segnents moving toward ENIWETOK or the task fozree fleets (See monte TAB I for ZSBRA and Z=ERA I holding patterns.) 3. WOLSON I (33-50 clow eee placed in holding ;petterms so lecated and ortenied as So intercept any. | | eer) cond.eted a search Leginntiz ving at E+ hours in a 30° ssetor, true bearing COO? through 020° with epex “on RONGERIK, end extending 309 niles to the Hest. (See T1BG.) Two contects were made,in each case, the intensities were less than 10 WILSON IT carch shown in TAB G@ encountered no si gnificent a mrfhr. radiation. al9 SOD Sh - OT meant