National Museum of Nuclear Science & History
Warren L. Coble served as a sergeant in the 393rd Bombardment Squadron. Coble was regularly assigned as a radio operator in the Up An’ Atom, but did not fly in that plane during the August 1945 bombing missions on Hiroshima and Nagasaki.
E. C. Smith, Jr. worked for the Kellex Corporation at the K-25 Plant.
Sanford McDonnell was a mechanical engineer with the Special Engineering Detachment at Los Alamos from April 1944 to April 1946.