TAB A BLACKFOOT EVENT OPERATION REDWING 1, BLACKFOOT device was fired at 0626M, 12 June 1956 on a 200~ cot tower lecated on the northern tip of RUNIT Island (YVONNE) of AUWETOL ee toll. 2. The fallout forecast for BLACKFOOT was based on an expected ‘Tali of The forecast indicated a light fallout pattern ae =: taixling westward across the ENDJETOK Lagoon. = The forecast was verified 4 te post~shot radiological surveys. 5. The initial cloud moved to the West. Cloud tracking aircraft vecavts varified the forecast cloud movement. - lk. Based on the results of initial radiological survey of the <ioll, reentry hour was arnounsed as 0830M, 12 June 1956, 5. Monitoring stations and aerial surveys showed no detectable in- sigase in activity at other than the ENIWETOK Lagoon area. , /)ge pb B D lefed