t ¢ rr With Respect to Low Yield Detcsations. 1, ~ Analysis .of smoke-puff photographs ‘sfrom the Tumbler No. 3 ‘test demonstrates ‘thet-e:neas-idectized torus sing elrcvletion ts estoblished:with :relatively:low bomb ylelds. - (Section 1¥) 0 2444 AA Om Poe Pena Aa preva With Respect ‘to. Certain. Operational Problems: 1, Present sompling techniques :for high yield devices are not adequate for the reason that:the:budk-of the bomb debris is: deposited. in ‘the:stratosphere:beyond.the:altitude capa-bifity of presently .cvailable.atreraft.- ‘(Sections Uf .and Jil) . 2. The.diménsions and structure.of.the bomb cloud.formed.by.the detonation.of high yleld. weapons Introduce several .sezious- operational conside:ations bearing on the delivery problem, Among these.are: a. Extieme.turbulence .within.the. bomb cloud.which would probably preclude .circraft ' opesation.below the stiafospheze inthe some.ateo for.o considerable time following detonation, even If the factor of radiological contamination is ignored, {Page 22) -b. Assuming .dellvery.to.a.location in the high latitudes with .a.low stratosphere, such .as Russia.during.wintet, the .size.and thickness of the generated cloud would p:obably pso- duce a Jorge obscused.area on.the radar scope of any following aircraft engaged In.the destruction of the .same.or.an.adjacent.target. 4 (Page .23) 0 he Corlirvarin GR “ZFA ee Tate! a

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