aes Meeting #1391, Sue 17 July58:_ On the subject of | Cob : eure ors development of clean weapons, Libby said that the NC ‘current Hardtack tests had demonstrated that the US had achieved a “remarkable breakthrough in the development of clean nuclear weapons, " ‘With the other commissioners in agreement, he expressed his feelings that the Commission should renew its efforts to convince the DOD to increase their requirements for clean weapons and McCone said he would arrange a meeting with the Ics for the AEC to discuss this question and have the laboratory directors present for the meeting. ellen Starbird responded to this[message on 17 July saying that he agreed in part and ren - sree, disagreed in part and stating the following opinion. While underground shots cause Z Hf much less unfavorable coment, protest which is net necessarily based on rational fact is directed towards entirely stopping testing. Starbird says, "I do believe, therefore, it behooves us to limit our testing to the degree possible without impeding weapon development.” As for tests in 59, he hopés the number aboveground can be minimized and those done on balloons, with as many tests as possible done underground. He agrees with Teller that he would like to go to a continuous testing posture but points out in particular fact that this is too expensive and that he is already looking for ways of diverting funds in FY 59 from other activities to cover testing and preparations. Finally, he states again that he requires a tentative plan of snecific tests from each laboratory. .