(apa -e e): OPERATION —& ; TUMBLER-SNAPPER R 4) CES Se OP Shot No. 1 Date Yield April 1, 1952 eC 1.05 ¥T (Radchem Yield) April 15, 1952 3 1.17 KT April 22, 1952 4 30.7 KT May 1, 1952 5 10.2 KT May 7, 1952 6 7 " " " 12.0 ET May 25, 1952 June 1, 1952 8 ot 11.1 KT 14.6 KT June 5, 1952 13.9 KT OPERATION IVY 1 2 November 1, 1952 November 16, 1952 10-12 MT S70 xq OPERATION UPSHOT-KNOTHOLE 1 2 March 17, 1953 March 2h, 1953 3 dt March 31, 1953 April 6, 1953 5 6 of = 2 KT 10-11 KT April 11, 1953 April 18, 1953 7 5 KT 27-23 KT (Poss = 23 KT) April 25, 1953 8 9 SO KT May 3, 1953 25.9 KT May 255 15.7 KT May 19, 1953 10 11 OPENNET ENTRY ms Ausmorized for Pubic 8 Seeate: cre n OpenNet 15-20 KT 27~36 KT . Date: orized d for for P Public oO Authorize oO By Release Date 31.5 KT - 1953 DEPARTMENT OF ENERGY DECLASSIFICATION REVIEW SINGLE REVIEW AUTHORIZED BY: omen 000oe s NAME: DATE: L i ? ‘L 4 DETERMINATION (CIRCLE NUMBER(S)} V.CLASSIFICATION RETAINED GAISSSINCATION CANCELLED. 7 OTHER (SPECIFY):