i FOOTNOTES FOR CHAPTER IV 1. Dr. Edward reeoa eeof CalSforata Hadiation Laboratory, was convinced that: 73a eee ie ee GE | Dr. Graves conceded ‘that there was a slight possibi itty of such a high yield, but LASL personnel were willing to stand by their figures. Dr. Teller's theory caused concern within the Air Task Croup because 7.4 could not easily overlook a possibility that could result in se- vere damage or loss of aircraft and crews. The effects aircraft were positioned according to the maximum probable yield on all shots. Dr. Teller had made the same prediction on MIKE Shot in 1952, but LASL's estimatehadbeenbarneontinthelongmm, - nas ene 7) DELETED 2. Unpredictable weather was the main reason for this unforeseen fallout. In fact, the greatest single difficult factor throughout the operation was weather. It affected the ability of the scientists to collect data, the Air Task Group's ability to take photographs and collect samples and, above all, it determined the areas of radioac- tive fall-out. (CONFIDENTIAL) 3. Report of the Commander, Task Group 7.1, Los Alamos Scientific Lab- 4. Before and during the Operation there were many shifts of time and location schedules for detonation. The tables listed in the following pages show some of the different time scheduling, and the arrival and assembly times of the devices. AEWLHC 74

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