23 Here is a cross reference to a measage from Teller to Bradbury dated ch 59 which was filed in "353.4 planning,” which has been destroyed. The N P enclosed) in which Teller states that ber BY-59-35 (copy 1 of && Ccoc-128 thin a period of some months, the AEC Labs will find themselves in a position ere they will be allowed, either by treaty or by unilateral declaration, to carry t tests underground and at high altitude. Discussions in this time period addressed the question of techniques of t alysis by radio chemistry in the underground environment and, among other things, notes that LASL has as yet done no radio chemistry under underground tests since wan notes that Malt the experience is at Livermore.” Cown nevertheless makes rtain quanitative and qualitative comments on the advantadges and disadvantadges radio chemistry in that environment and concludes at the end that » whereas LASL y not be as optimistic as Livermore, he is certainly notpessimistic. For instance, on 24 March 59, McCone sent Killian a letter on the Broagner Qe nce Se _ report supporting the need for tests vices to address sismic research. with both high explosives and nuclear de- Further the AEC supports a joint effort among themselves, NASA and DOD to explore outer space testing. P v4