PRIVACY ACT MATERIAL REMOVED ther classification was inconsistent at times. In addition, it was felt that too much accuracy was expected on the part of radar in the location of the drones and other aircraft in the area. The importance of monitoring voice communications was stressed and finally the’ need for considerable practice with Task Group 7.4 was realized by all. This was to come later when all units of Task’ Unit 724.2 had arrived in the area and were ready to take their place th: the operations. his role in the forthcoming tests. better job next time. ke After the exercise, officers and Each one looked forward to doing a ey When does it get light at Eniwetok? ode geben. SE, Atomic Energy Commission Test Pirector, was interested in having the first test take place during the hours of darkness. Heli- copters were needed to fly into the radioactive area almost immediately after the detonation to remove certain equipment, and drone aircraft were needed to make three (5) passes into the atomic.cloud to collect air semplese Both of thé above air operations required a certain amount of light to insure suceessful operation. This requirement of sufficient ligh Te was met by detonation of the weapon immediately before dawn. The Air Commander had mentioned early in January 1948 at a staff meeting how much he had been impressed with the rapid change from darkness to light in this area. He suggested that the bomb could be fired a few minutes before dawn in the complete darkness on the island and within ten to fifteen minutes there would be enough light farthe helicopters to enter the target area and rind the equipment they were to bring out. This firing of the weapét. immediately before dawn would also help the “beeper” Seetion VIII - | 4 a. PRIVACY ACT MATERIAL REMOVED

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