jerprimaseremnanta —— nes WO tf $-B-6-R-E will be more complete. We hope crystallization of these factors will be sufficiant at that time to enable us to reach agreement on the specific scope for CASTLE. In the meantime, we would appreciate assurance that the Department of Defense concurs that planning should proceed on the basis of an augmented CASTLE as described above, subject to final resolution of specific plans this Fall, and that all concerned can proceed into the operational phase cf CASTLE on the same basis as we did in the IVY Operation, which proved so success- ful. Sincerely yours, Gordon Dean Cha irman * at Sal i, GG. oe i MUG72406 B ooeoaN z R42/05 t 3

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