The Target Committee met in Washington on April 27; at Los Alamos on May 10, where it was able to talk to the scientists and technicians there; and finally in Washington on May 28, where it was briefed by Tibbets and Commander Frederick Ashworth from Project Alberta, and the Manhattan Project's scientific advisor, Richard C. Tolman.
Target Committee mengadakan rapat di Washington tanggal 27 April; di Los Alamos tanggal 10 Mei, tempat pertemuan antara komite, ilmuwan, dan teknisi di sana; dan di Washington lagi tanggal 28 Mei, tempat pertemuan komite dengan Tibbets dan Komandan Frederick Ashworth dari Project Alberta, serta penasihat ilmiah Proyek Manhattan, Richard C. Tolman.