Copy Now i ° of il Series SEC-A pePf—-SECRED SECURITY INFORMATION UNITED STATES ATOMIC ENERGY COMMISSION , 13 October 1952 as€Y LD Class - SASL MEMORANDUM v TO : CO. P,. Kraker, Deputy Manager, SFOO FROM : oN. E, Bradbury SUBJECT: SUMMARY OF LASL FULL-SCALE NUCLEAR TEST PROGRAMS SYMBOL : DIR-764 1, Enclosed herewith is a summary of the LASL full~scale nuclear test programs and their most comspicuous results for weapon development. We have not included tests such as CROSSROADS, JANGLE, TUMBLER, or others which have been sponsored by the military for their own purposes. 2. The deadline for the preparation of this summary -has been such that checking. it has not been possible to subject it to detailed For this reason and because the relevant numbers have peen strongly rounded off in the interests of simplicity, the data therein should not be used for purposes other than general comparison or discussion. /3/ N. E, Bradbury Director When separated from enclosures handle this document 45 .esase This document contains restricted data as defined in the Atomic Energy Act of 1946, Its transmittal or the disclosure of its contents in any manner to an unauthorized person is prohibited, TS?> bd tt. . JU Avxi - 47} Be£5 0

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