. ( Cerroll L. Tyler ( “2 8 May 1952 Thus, present thinking at the Los Alamos Scientific L-boratory indicetes a test operation at Eniwetok in the fall of 1953, of somewhat greater magnitute than Operation Ivy. In general, the same type an¢ magnitude of assistance will be requested of the Depsrtment of Defense as for Ivy with the exceptions, (1) ¢ro Tp robs not be done and (2) The testing period wi thet for Ivy. s will probebly be somewhat longer than I trust the sbove estimate of the situation will assist you in planning. Very truly yours, BEST AVAILABLE COPY Criginal Signed by K. E. Bradbury NEB/hec NX. E, Bra¢bury Director 1A, 2h - C. L, Tyler A 5 - A. C, Graves _ceeenet of Ene, Pe oer Cities ” Reading File //7]