IV Lieutenant Colonel Fackler, as special projects officer, handled the air controller's functions with a staff of two officers and two airmen. The colonel ; probably the most experienced man in controlling aircraft during miclear testing, was assisted by officers from the Special Weapons Center: Colonel Kurt M, Landon, Vice Commander, and Lieutenant Colonel 1 James S, Starkey, Special Project Officer, rotated this assignment. 3 ~Sampling the Shots Again as in previous operatims, routine for a shot began the day before. All aircrews participating received briefings on their missions and weather, Specialized briefings were held at the Test Operations Unit Number One briefing room, aircrews received badges and dosimeters, and the ground crews installed filter papers into the holders on the wingtips of the F-8),G samplers, On the morning of the shot, the test operations unit's personnel controlled all takeoffs and landings from Indian Springs and directed aircraft to the Nevada Proving Grounds. At the control point, inside the testing grounds, Colonel Fackler's air controllers took over and directed the aircraft during their stay over the test site, Aboard the B-50 sampler controller aircraft, Los Alamos Scientific Laboratory personnel (usually Dr, Plank) directed the actual cloud penetrations of the sampler pilots, Dr. Plank watched the radiation exposures and as soon as the pilots approached allowable dosages, directed them to return to Indian Springs, After landing they taxied to the east end of the field where radiological monitors determined the extent of contamination 8 SWEH-2-003; \b? aay