-11He also notes as desirable experiments concerned with the effects of nuclear bursts on warheads and re-entry bodies and communication in general. There is no mention of any such thing as Urraca. A 27 June letter from Bradbury to the Manager of LAAO, J. Burke, notes that the problem with the LASL weapons budget will not affect the local program as previously hypothesized but another method has been found to defer the cost and stay within the 42 million dollar ceiling. Here are some most interesting words from Bradbury and Mark sent to Weisner in the Whit House on 17 July 61, presumably in response to the on-going studies > of the-BEE@-and the Panofsky Panel to investigate the possiblity of Soviet cheating. In answer to questions concerning the gains from future weapons testing, in areas such as the neutron bomb; whether the Russians have been secretly testing; whether the U.S. should unilaterally resume testing; where the U.S. is vs. the USSR in nuclear weapons; and whether the Russians will cheat if we do not resume testing; Bradbury and Mark have the same general feelings with a few specific differences in their answers. That is that they do not believe the Russians have been secretly testing, or in the case of Mark, if they have, the rather low yields attainable could not permit important changes in strategic capabilities. Neither man feels that there is an urgent need to resume weapons testing, particularly as far as there being a strong military urgency. Furthermore, they don't see any great advances to be made from weapons testing, probably about a factor of two increase in yield per pound for higher yield weapons and some efficiency increase in smaller weapons, and in particular don't see the development of a neutron bomb as practically likely. About the only area that they see where substantial gains could be made from testing seems to be high altitude effects and vulnerability tests and neither feels there is an overriding importance to this area since the other side certainly does not have that information either.

Select target paragraph3