Howard Hughes (second from the right) standing with other unidentified men near his plane in the hangar at the Grand Central Air Terminal in Los Angeles.
From the Sister Klaryta Antoszewska Photograph Collection (PH-00352). The presentation slide lists the steps required to conduct atmospheric and underground bomb tests.
From the Sister Klaryta Antoszewska Photograph Collection (PH-00352). The presentation slide title reads, "Underground nuclear test execution sequence"
From the Sister Klaryta Antoszewska Photograph Collection (PH-00352). The presentation slide title reads, "Nevada operations office interagency relationships"