410870 WT-1307 (EX) EXTRACTED VERSION OPERATION REDWING Project 1.8 Crater Measurements May-July 1956 Pacific Proving Grounds NOTICE This is an extract of WT-1307, Operation REDWING, which remains classified SECRET/FORMERLY RESTRICTED DATA as of this date. BEST COPY AVAILABLE Extract version prepared for: Director DEFENSE NUCLEAR AGENCY Washington, D.C. 20305 1 January 1981 Approved for public release; distribution unlimited.

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