Li Hake. no, anneuncomensako the tests. fin analysis. of the‘facts‘pearingon“the ercblem reveals’ that, even if it were desirable to: dose, itwould be. impossible. not to make some announcement on the fortheeming tests. The suhlic expects the United States to. test a thermonuclear weapon this falli it will he almost two years since the President publicly directed the Atemic Energy Conmissicn to proceed with the develcpment of such a weapon. There has been considerahle speculation in the press and elsewhere which, although never officially confirmed, has left the general impression that somcthing important in the thermonucicar field will hapocn shortly. There are a considerable number cf individuels, | including, for example, curtain mombers of the Congress and the members of Joint Task Force 132, who will know what has happened. Moreover, the test itsel?, cven if cnly partially successful, may, under certain atmospheric conditicns, have external characteristics, such as blest, light, local fell-out, and other effects (which may require evacuation of people from neighboring islands) which would make it almost certain to be detected at distances some hundreds cf miles from Eniwetok, Wot making some public anncuncoment, thorefors, would’ not withhold the fact of the test from our own pecpls, from our fricnds and allies abroad, or from tho Soviet Union. pa oe fie If tho test were fully successful, curtain other countries, including the Sovict Union, would be ahle, by long range scientific detection, to determine that a large nuclear coxplusion tock placd. Saying nothing would put the United“States Goverment in the position of withhoiding vital information from its own people. It would make it almost impossible to off-set the inevitchle speculation that would 2rise in the press.- Speculation in the press might conccivadlly be directed toward the pessibility that the United States has not been successful in his ficld and that the program is a fumbling one. Such specula~ tion would have scrious demestic repercussicns. it would clso be “| cause for searivuus concern on the nart of cur fricnds abroad who rely in general uden the technological supuricrity of the West, and of the United States in particular, as their vrincinal source cf strength ‘: . Not to make any public announcement would put the United States in a most undesirahle pesition vis-a-vis the Sovict. Union in two respects. First, tho Sevict Union mizht itself mike some announce~ment or leak information concerning the fact that’ a thermonuclear | . o

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