‘ CHEROKER EVENT Se OPERATION REDWING 1, CHEROKEE was detcnated over NAMU Island (CHARLIE?) ef BIEDVI Atoll at OSS1M, 21 May 1956, * Seet. The estinseted burst eitisude was 5,990, - The clovd reached en estimated heignt of &0,0CC- feet with the Lower portion moving +o the Northwest ars uposr ard mein portion moving generally to the Eest-Northeast ev acprexirately 10 imots.. ... Early reports on cloud height and initial cloud movement vere provided @ . ~ intensitzes and confirmed the forecast cloud trajectori te fa fil reperts geve lov no by cloud penetration and sampler airerart. expected, the radiation e:posure of the aircraft crevs was relatively % lows @,. EBRA and ZESRA I Pe’ rediation reconceissernse atreraft were — m cloud sements moving tovard ZUDTSTON or I-ty placed in holding so located ard orhented es uo intercept any —— natterms cree fleet. (See . TAB I for 2abnA anc ZEERA I nolding patterns.) 7 a 3. . OAT T . se i cron — fe em py me sa Alaat Soom nt -awd 5 WHLSON IT (wB-5C cloud tracer) conducted a ssarch beginnings wt Et6 oT =e in 4 a 30° “ sags feria tr 2through 7 090° QMS utth = at hours secter, trie heat bearing O6C? with epex -en RONGERIK, end extending 30) milec to che Test. Der ragT ss (See BG.) To contacts were made,in each cease, the intensities were less than 10 mpfhr., WHLSON IT searcen showm in TB OG ente_ntered no siimiticant rediation.