3. In arder to eo:plorc Rae ‘for eacrzemy capability and thereby imsrove the odds of achteving at least one suce cessful weapon, the Iles Alanos Sclentific Laboratory proposed on Tovme ber 28, 1952 (#50 597/2) that CASTLE be expanded to ixclude the ns rn In order to eccomplish this moan, los favs recod endedthat Ck:TLE be held in the Spring of 195s. UCRL-Livcrsore proposed on Yioverber 24, 1952 (AEC 597/2) that two thar nomcloar dviccs,IT bo tostod in Chote Poe pee to investigate the potenticlitics cf i.4 stated thet these devices probably could not be ready for test. until late ‘inter or ezrly Spring of 1954. By lctter of Jamary 2, 1953 (450 597/7) the Cowission proposed to the ELC that CISTLE be held as ecrly in 195) as technical procross perzittes, and by letter dated Jarmary 19, 1953 (AEC 597/11) the MLC advised of Department of Defense COKiueTcence.s h. In the course of further study of various thermonuclear weepon desimns ab Los /lamos in 1953, considsration was civen both toa Mi}oeeisire rorial lit noe and to eM contats airing Lithiua oe S oF seen EX aw we A oF8 gioy’