~6= For limited war, yes, the use of clean weapone frees us from many of the restraints which now inhibit nuclear response to limited aggression. it is to our advantage to use nuclear weapons in limited engagements since we cannot afford conventional forces for thie purpose. Clean weapons in any type of war confine damage to the areas of combat, and avoid injury to neutrals who are not concerned. 5. Why worry about radioactivity when the instantaneous cts are so terrible? Because there willl be survivors from the instantaneous efiects within the areas of conflict and in other parts of the world. a4 They need not die or suffer from radicactivity. 6. We cannot afford to share the principles of any nuclear weapon with cur enemy. Nuclear weapon security lost its basic value when Russ constructed deliverable atomic and thermonuclear weapons in quant e Its value decreases further as Russian technology approaches our o It now protects only refinements of design. Refinements are not essential to deterrents, either massive or graduated. 4 fa Ss ts \% and to humanity's ifRussia could make them clean, by our princtpl if necessary. But suppose we decide to withhold such an offer. Russia might not demand that we share, because to do so would admit infer ority. fore If she showed no interest in clean weapons, we could castigate her the world as willing to destroy mankind for her own ends ~ by using dirty nuclear weapons. An offer to share clean technology has advantages, and 7. The question deserves careful study before decisi We cannot test as well under ground as above. Some testing under ground is better than none at all. = > Nite 5Y Russia now makes dirty megaton weapons. These pose ! the greatest threat to humanity from radiation. It would be to our aeneeee so does refusal. a mn.

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