PROPOSED WEAPCNSE-FECTS OPFRATION 1VY OSmoasurements in approxinats order of priority are requiredfor esaaa - contial weapons effects information. he , Air Blast. Photographic documentation to establish growth of the fireball fe i 1. ce ThE MpTE and position at brealkway of the shock front. 2. Measuremente of Pressurs ve Time on the ground and, if possible, in free sir at altitudas significant to delivery aircraft. 53. Bo Ambient atmospheric conditions with good altitude resolution. Thermal Radiation. ic Measurements of total energy ani ensrgy vs time at apropriate distances, 2. Measurements to show resolution of spectra. Jo Determination of total thermal energy at altitudes significant to delivery aircraft, Radioactive Contamination. Do Declassifie DATE: 1. Determination of fall-out pattern. 2, Radiochemical analyses for important $ sotope so 3. Measurement of spread by base surge. Afterwinds. io Measurement of the magnitude snd duration of afterwinds. 2. Observation of cloud rise. y DNA, Chief, (2A1¢[94 JsTs