fissionable material couldbe accomplished relative to the smaller weapons, However the degree of such interest is not at the moment clear, In a brief question period the following points were brought out: oe m semanapeeingwaween cc a wart pari fk 8 ot oa _ measur difficulty of ‘However, the 3 tho exact neutron yield and the probability of large fluctuations seem inevitably to require overdesign. The next presentation was by Dr. Schreiber on the subject of nuclear Nuclear _ Safeing safeing. —_ aa ae — . -_ recess Che %.. , 68 beds it is assumed that any accidental detonation will occur at one point oul, i.e, that the electrical safeing is completelyreliable. The basic circumstance being worried about is crash on take-off, followed by fire, The following were given as possible criteria for nuclear safeing: | s

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