WT-930 (EX) EXTRACTED VERSION OPERATION CASTLE PROJECT 7.1 °951381 ELECTROMAGNETIC RADIATION CALIBRATION PACIFIC PROVING GROUNDS March - May 1954 Headquarters Field Command Armed Forces Special Weapons Project Sandia Base, Albuquerque, New Mexico June 13, 1958 NOTICE This is an extract of WT-930, which remains classified SECRET/RESTRICTED DATA as of this date. Extract version prepared for: Director Defense Nuclear Agency Washington, D. C. 20305 31 August 1984 Approved for public release; distribution unlimited.

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