Here are copies of communications between the Chairman of the AEC and the Secretary of Defense on_22Apr. from the AEC to the DOD and back on 16 May. The subject is possible caretaker status for the EPG and possible transfer to PMR. Both men agree that the EPG should not be retained as a nuclear test facility except on a caretaker basis and the Secretary of Defense has told PMR to confer with ALOO in the near future to arrange for the transfer to PMR by 1 July 1960 and the possible use of H&N employees to provide certain services after the transfer. Note that the TAC mission in June went on as scheduled. 1 GO A 25 April TWX from Bradbury to Starboard answered a query dated 20 April that listed various possible nuclear energy releases by various titles and BR requested specific definitions for them in ref2tion to the Geneva treaty being worked on. Bradbury looked at these as being various degrees of possibility and various situations versus violating a treaty that said you couldn't do nuclear weapons tests. “23Apre 60, J-3 Report: ms OPENS PCa, It is reported that Col - William S. 2lieved Brig. Ge n, George Duncan as Comander of JTF7 on 23 Mar, Hutchison By 26 April, sne gives the LASL The LASL answer to Starbird from Jane Hall on eG estimates of the composition of the capsules nominal yields. required to obtain the suggested ates is plus She states that the confidence in these yield estim of yield deterhination using or minus 10% and that the estimate of accuracy radial chemical methods is 15 to 20%. NX

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