of opinion whether proximity fuzing ie satisfdctory, The difficulty about contact fuzing jn the two-stage weapons arises from the facts PD Bo. oe é that eee in these weapons and that the bomb bays of the available carriers do not have sufficient space for fuze assembly external to the case, . It was suggested that a "walking stick" arrangement might be resorted to, This discussion concluded the morning meeting, and the session was adjourned at 11:00 a.m. Between this time and noon the groups visited a mock-up room in which various warheads and missile mountings were shown, The exhibits included-a full TX-15 eesembly. SECOND SESSION (July 12, 1954) This session began at 12:45 p.m. the first session, Attendance was the same as at | After introductory remarks by Mr. NeRae 3 bthe subject of weapon Weapon Effects effects, as they come into systems studies, was discussed by Mr. S. C, Hight. The Sandia Laboratory's primary interest in this subject is in learning how best to fuze. Tactical and air defense uses are receiving particular attention at present. Mr. Hight gave a list of the phenomena of interest, their approximate scaling laws in terms of yield, W, and in some cases D, Gistance. teeter = He also listed kill and safe criteria, c,