PHOTOGRAPHICREPORT 1. It has been evident during the Sandstone tests that few, if any, of the personnel concernedhave been thinking ti terms of the military requirementsto use experhsnts of this nature to gather scientificdata and operationalfacts upon which an Atomic striking force must be built. During the preparatory period and throughout the test, there have been no manifestationsof the establishmentof policies or techniques which ti develop the tools needed to exploit combat utilization of nuclear fission weapons. These policies and techniques are just as nnicha part of the scientificrequirementas the data which determines the efficiency of the weapon. They must be scientificallydetermined and scientificallyapplied. That they lie outside the province of the Atomic Energy Co,muissionas presently constituted does not detract one whit from their necessity to tie United “States. 2. The reader is asked to keep this observation in mind as he reads through a detailed description of how photographywas actually applied to obtaining 3. a record of Operation Sandstone. The problem confrontingthe photographerd~g Sandstone was to record during a period of darkness all the phenomena which varied in luminosity from the light of less that 1/100 sun to the intense and blinding brilliance of 600 suns or men. Never had photo materials been called upon to record over such a tremendous scale. However, there was alwaya the possibility of a low order detonation, 1 Section XVIII

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