ot This document congisis cl 2D. pages No. fe x of _16 cspo, Sorles A. MAR: NDG._ CREOLEY//OO0O: “ eI voySh Lat LIAL:92.4096 Beet Ah $2 gs Dmtee plated. ™ eee 411913 Honerable Robert Lebarce _—_ Cheirman, Mliitery, Lieison Gomittar te the Atomic Energy Comission REVIEWER ‘ , 7 , elsron Vear re Lets rani, i ScooKpmate WITH: ca 5. CLASSIFICATION aa NAME: AGRoe. ; 6CLASSIFIED INFO BRAC 7b (SPECHY): F.OTHER ts DATE: af23/5MS nase_. ; ee Reference 19 nade to our letter of Jatwary 2, 1953which outlined Nu ZS a CB posed timing of CASTLE, provided the Atomic Energy Conminaion and ; “aye the Departament of Defense accept such a program and provided the Nn avis clq . WY § & ~ | ey] OH Bl Goat | > 0 sil Ni st) y SR SS re it “| .& Os la It should be emphasized, howaver, that the actual scope and plan yy At Uthat time the relevent {acters bearing on the merits of the a. Q Yardous proposals and en the operational capabilities and lini~ 6 6 Go 9 < and four at Bikini. The first detonation is scheduled for Tebru- for execution of CASTLE cannot be fixed until about Septenber. 2 zy. iz X %\ be a 15 7 presently plainedto detendtethoshots at Bnivetck ary 15, 195k, with seven to ten days intervals between shots. ONES | RRO otGatBdgerenin fechedate. as special materials produgtion at 0 tide on Ge q tations both of materiel production and of a Task Force nature’ will be sore complete. ‘%e hope crystallization of these factors will be sufficient at that tine to enable us to reach agreenent on the| Specific seope Zor CASTIA, Cx | ebs. ted av Ate 99/7; bl COPY FOR SEGRETARTAT This documen In the Atomic Ei D1 MAME: ASAE. IND REVIEW: AUTHORITY. | DPTERMINETION. (CIRCLE NUM Ta TLASSIBICATION RETAINED : AGSEERGAE Tb GED The 45CPNnin as , . - “EM 44H A lela ua delings cto LHS. Ts tranemiiye a the disclosure ci iis cconicais In any mons, Os unauthorized person is probiblied, Ge BY wk the CASTLE Operation as we contemplated it at that preliminary stage. Since that tlm: in the preoass of further development and tast, it has become apperent that, if foasible, the soepe of CASTLE should be increased in the interest of aseuring the resolution of factora bearing on emergency capability weapons and special materiel requirements. At this stege, wa belleve a program of six shots would assist materislly in the above, and, accordingly, we have been working with Joint Task Yores Zeven on quattions of the feasibility ef such a program. From their atanmipoint and curs, Lt appears practicable to execute 4 siz shot program and to maintain the pro~

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