ys Ai ie ae SIGINT “ Peat deal Nt -the werepon is not yet operable because of difficulty with the electronic portion of the fuze, The full seale tests performed in Nevada in ~ Oetober and November 1951 (Operations BUSTER and JANGLE) gave new information for weapon development purposes and ineluded for the Pirst time surface and underground detonations. A large scale thermonuclear device having an estimated energy release of 1-15 megatons TNT equivalent is being designed for testing at Eniwetok, ° Weapon Production 4, & major part of the production effort has been devoted to making new components and incorporating these into the stock- pile ("conversion programs") and to initiating production operations on the Mark 5, 6, 7, &, and 9 weapons. {(Implosion-type bomb; outside diameter 60 inches: approximate weight10.» 800 pounds) - CR 2 > mle ~\S Mark 4 Weapon. Om Sip CQ ier atone It