mee es _CHEROKEE EVENT me OFPSRATION REDJING 1, -CHEROIEE was detcnated over NAW Islend (CRAR:IB) cf BIEIKI Atoll at O551M, 21 May 1926. The estimated burst altitude was 5,020 fest. The cloud reached on estinetzd hei im: the Lower portion noving to the Northsest end uppsr erd mein portion noving generelly to the Scst-Northeast eS apnrovinetely 1O Imots. Serly reports on cloud height and initiel cloud reverent were provided ty cloud penetration and senpler eaiveraft. f.11 reperts geve low “ntensities ard confirmed the forecast cloud trejectories. As expected, the radiation e-sposure of the eircraft crews was relatively 5 We 2. Z=BRA and ZEBRA I PeV rediation reconnaissance alicraft were placed in holding patteris so located and orLented es to iriercept ary cloud segnents moving toward ENIWETOK or the task force fleet. (See TAB I for ZEBRA and ZEERA I ae patterase) 3. WILSON I (WB-50 cloud nese) conducted & esarch Leginning at E+6 hours in a 30° sector, true bdaring O6C° through 090° with epex Gn RONGERIK, end extending 309 miles to the Teast. (fee BG.) Tro contacts were made,in each case, the intensities were less than 10 rinfhr.. WILSON II search shown in TAB G encovntered no sipnificant radiation. NSISTS OF , OTTUE PY