0412051 ~ NOTE BY THE SECRETARY, SUBJECT- CASTLE PROGRAM (ENCL- REPORT BY DIR-DMA, SUBJECT- RE SAME; BACKGROUND, DISCUSSION, + CONCLUSIONS; LETTER TO K E FIELDS, DTD 9-22-53; UCRL, DTD 9-21-53) (DELETED) ~ 1953-10-01 ~ SNAPP R B, BRADBURY N E, YORK H .pdf