GO Summary of Special Mission for Baese Shot MISSION: DATE: Wilson 4 27 March 1954, 1. Briefing: A special briefing conducted by Element Operations was held-at -1445, 26 March 1954. All details of the Wilson 4 mission were covered, 2. Preparation: Personal Equipment was loaded at 1300, 27 March 1954. The aircraft was preflighted, pressure checked, and made ready for the mission at this time, The crew Radiological Safety Officer acquired instru- ments and issued film badges to crew members at completion of preflight. 3. Pre-Mission Activities: 4. Mission: Crew reported to aircraft at 1705 to complete last minute details, Crew was briefed by aircraft commander at 1750 and boarded aircraft, Aircraft was towed to starting position and engines were started at 1805. a. Purpose of the mission was to determine whether radiation caused by "fall-out" from radioactive clouds or material presented an immedjate hazard to the islands east-southeast of Ground Zero, A secondarypur= pose was. to determine, if possible, the leading edge of the radioactive. cloud or material, if encountered. <h « b. Take-off was made on schedule at 1830. E pattern type tracking was accomplished at 10,000', No significant radiation was encountered during the flight. No deviations from the track were neccssary and the mission was completed successfully at 0720, 28 March 1954. 5. Problems of the Mission: 6. Recommendations: No problems were encountered. No recommendations. Wa uy 7) _ (uitig MARIUS M, AUTREY Captain, USAF f Aircraft Commander (97

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