s44wH—— in design and that it be specificallydesigned to solve the photographicprobl-s presented by the operation Atomic detonations. (2) It is recommended that the principal record of an Atomic detonation be obtained from an aircraft vertically above the detonation, ut~zing full variety of cameras to secure high-speed as well as large image coverage in both color and black and white, whether the aircraft be an FP-/?Oor some other high altitude high-speed aircraft i8 iznnaterisl to this recommendation. It is believed that the vertical coverage should be supplementedby aircraft orbiting about the point of detonation at medium altitudes and moderate distance. There again, the coverage should be both high-speed and large image in color, and black and white. (3) It is recommendedthat Drone aircraft be used from which to secure photography of atomic detonations. (4) A huh-speed camera should be developed that fl give the queliby of the Mitche12 camera with a speed of approximately10,000 frames per second, have a good photographic definition and at leaet 200 increase In run- ning time over high-speed cameras now in use. (5) A single timer should be developed end prooured which will actuate all the camems of a giveninstal- lation (tower or aircraft) with a predeterminedamount 12 Section XVIII

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