applications of these phenomena and would holp to ward off the Sovict charge--certain to he made again when the test takes place this Fall--that the United States is preoccupied only with the develosment of weapons of mass destruction. Care should he taken that this aspect of thermonuclear phenomena is not overrplayed, for to do so would run the risk ofserious distertion in speculative comment which could only’ redound to our Sisadvantage. while therc would he considerable psychclogicsl _advantaze to be hed in making mention cf this aspect of thermo nuclear reactions, it appears, for the present at least, thet the possibilities are too nehvlous to warrant any official Corman. If the thermonuclear test is not fully successful, a genoral factual announcement should stiil be made and showid, in fact, he similar to the one that woul" he mado were tho test fully successful. .Tho Kilotonmecs yield ef the test would still he very substantial even if there were no thermonuclear reaction. uw If the test were only partially successful, or if it should fail, considerable knowledge of the feasibility of such reactions w oule be acquired. 164

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