indication of a correlation between the IV¥-George shot and unusual weather events, He stated that it was his opinion that no type of weather would precipitate the fission products from a 50-100 KT weapon , but that essentially alt the activity from a 10 KT or less weapon would be brought down by: a rainstorm, . Gen, Luedecks, in answer to Dr. Rabi's question, said that the | Department of Defense aia hat have’ any plans to find out what the Process is when the fireball just ‘touches the gifound, He- confirmed this by | gaying that no one seemed to be worried about an air drop from the falljut or raih-out standpoint when the fireball did not touch the -ground, Gen. Luedecke, in response to a question by Dr. Fisk, said that our ' Enploy~ ment of present concept of the use of a 10-megaton weapon was to fire it at Large — Weapons ground level under proper wind conditions, Dr, Machta said that: the general wind conditions over the U.S; and over Europe were roughly Similar to that described for the Pacific area, | At 3:55 pms all visitors except Dr. Mark and Dr. Fine leftthe ‘meeting. . Dr. Mark then discussed the planned weapons development program at Los Alamos, Hesaid thatthey +were© trying to.SGesignwea aponsofabove .f) oo ee aseRereshesaboa ao io KT yield, Bader } The 16-inch system, he said, “4s; considered as « about“the right size for air defense, Dr, Marksedd | that Los Alamos|had had no experiencewithPlane | |

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