jhe corresponding reply to all this discussion by Bradbury to Starboard on 4 May 1960 starts out by identifying the discussion as that regarding Severw~. OID Page 10 . | iy K possible yields as a function of weight which can be achieved by further testing, and Bradbury regrets that in his opinion things are much less Further, his belief is that future optimistic than Teller seems to feel. gains with extensive testing is much less than those forecast by Teller particular ; and that he regards the utility of tests and low yields as much more limited as Teller seems to feel. Also, "in short, nothing has occurred in the last year and a half to change my own opinion regarding the extent of weapon gains possible with limited testing or even with unlimited testing. [| am much less optimistic than Teller on both points and the various documents and committees which have dealt with this problem have generally seemed to me to reach conclusions representing the upper fimit of allowable optimism rather thap a ver Teller apparently fees." we eee biped ctr.ne bre@ceveneg, ia 47" dow limit as Stl ote SHThine y { A 6 May Memo from Hohner to Allaire of ALO documents the current -e$ status of the Reeco Area 12 work which generally seems to be on schedule With a certain amount of the work and the money extending into FY 61. AM ere is a change in everything documented ina 9 May memo for record ritten by Mr. Allaire of ALO, subject ''Telephone Conversation with MA on May 9 Concerning Test Readiness Detection Program" symbol M:WWA-1872. I will quote from this Memo," I asked Col. O'Brian when 2 could expect a formal directive concerning NTS construction. He stated AM arbird isin Europe right now, but O'Brian expects that we should have mething by the end of the week. I informed him, without making any change contractual committments, we have instructed Las Vegas Branch to have zynolds and H&N start ''shifting gears" from the present program to the ‘tection program previously discussed--he concurred with this action. ith reference to the contract for the LASL holes which are pending award, advised we should cancel this bid. After a brief discussion of other ca 3 items directly associated with the LASL holes, we agreed these items Ould also, be cancelled at this time. With reference to the Alpha trailers-ter the changed program becomes firm we will check with LASL to sec if ese trailers are still desired for possible other uses."

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