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July 12, 1945

Thursday. Los Alamos, New Mexico. The plutonium from the Trinity Site experiment is transported, in two separate vehicles, from Los Alamos to the designated location in the semi-desert Jornada del Muerto area. It is thus officially transferred from the military to the scientists, who that same evening assemble it in the device, using a toolbox identical to the one shipped to the Pacific island of Tinian.