: ae me e , - BchOe Rie be offered the faciiities of the UCRL laboratory to conduct their analyses, but that those countries wishing to make the analysis in their own laboratories be permitted to do so, In response to a question by Mr. Libby, Captain Morse said the question of a demonstration shot had not been formally discussed by the Operations Coordinating Board but that at the OCB staff level, it was considered a grave mistake to cancel the shot. Captain-Morse said in his opinion the test would emphasize aee a U.S, interest in and capability of developing clean weapons and that a clean weapons stockpile is possible, . , Mr, Vance said the President might Justify. a retraction oo of his statement that observers would be invited to witness and sample a clean weapons test by saying that the AEC, after careful study, has found no way that observers could prove to their complete satisfaction and without U.S, assistance that the weapon tested was actually clean. Therefore, since the observer countries must accept on good faith certain basic facts about the demonstration, the countries might as well go one step furthe and accept on good faith the fact that the U.S, does have clean weapons. Mr, Floberg said he did not consider this a very atrong argument to submit to the Pro ldunt. Mr. Graham said, if the issue came to a vote, he would favo 7g conducting the U,S. observer teat shot. Mr. McGruder reported that Mr. Strauss Ls also in favor of proceeding with the test. Mr, Libby said ne could not wholeheartedly support such a test. After further discussion, the Commissioners decided to defer a decision on the matter until a later meeting. eos

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