Yn ° AMeIG: F7) gdone A - Ey bYAreTate $awee. 411899 4O Aioe—-SEERET- AEC March 1, 1954 COPY NO. i ie ATOMIC ENERGY COMMISSTON UK PARTICIPATION IN OPERATION CASTLE Note by the Secretary The attached report to the General Manager by the Commission Member of the CPC Subgroup of Scientific Advisers is circulated by request of the General Manager for the information of the Commission. a ROY B, SNAPP Secretary LGS¢— COLLECTION “POPs . AUTOR Le poate:Rt Apel, | SE AEC — — “= be 326 | i “O UK +. Abeta ae soxno, FF TALLAT 208 CLASHFLEO Ff éE ¢_MLA-%_AST¢ FOLDER DISTRIBUTION Secretary Commissioners General Manager COPY NO, 1 2-6, 14 General Counsel 7 When separated from enclosures 9 ~QPEECEAL-USE-ONEY— 8 Intélligence Military Application Research Security handle this document aS....0e. 10 il 12 Special Projects 13 This material contains information affecting the national defense of the United States within the meaning of the espionage laws, Title 18, U.S.C., Sec, 793 and 794, \ the transmission or revelation of which in any manner to an unauthorized person prohibited by is nN e a A DECLASSIFTED Ea. 12886, Seo. 5.8 ’ AMIGIG 7220044 By Stes A NateG/syos a ~ ‘ oF law. FM ;P BDMC flop tae dieyy a ekaye niec es ea| OTARSINIED poh nm! Me 2 t maya some7om FEF DOA