aek a Cte cote ne he ek ca ag ee ncn ns ‘Ge. ee clan Pe peptt cans inp ia tN. € ©@ increase of weapon yield for a given weight for strategic weapons, particulazly for missiles, and the reduction in size of tactical weapons. Another area of effort in tests prior to the moratorium was the development of "clean" weapons having reduced radioactive fallout. An important program which may eventually provide a whole family of "clean" weapone is the all fusion concept. These weapons would extend over the full range of desired magnitudes from the smallest tactical and defensive warheads to the Largest missile warheads and bombs. Tests are urgently required in all these areas and we can expect great progress toward the following developments; 1, Missile warheads of smaller weight which will lead to smaller, more mobile, and more serviceable missiles or will allow better penetration through enemy defenses for a given total payload. 2. AICBM developments, mostly in terme of effects of nuclear explo- sions on incoming re-entry vehicles. The questions to be answered include more precise understanding of the effective range of known effects, the possibility of enhancing these effects by special design of the defensive weapows ox choice of the circumstances of detonation, and possible unknown effects. This information is pertinent not only for defensive considerations but also is important to our own penetration of enemy defenses. 3. New types of tactical weapons, including small fusion warheads. 4, Further study and development of reliable low-fiseion yield (clean) warheads. | The effort of DoD and AEC will be to develop weapons pointed at specific military requirements, rather than simply to develop higher yield weapons without obvious military benefit. Yet it must be realized that frequently in the past, and possibly in the future, new concepts or ideas of great value have developed from the effort to fulfill specific weapon needs. 3 me NeNp yo

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