National Museum of Nuclear Science & History
O. R. "Big" Simpson was a second lieutenant in military intelligence in charge of convoys carrying plutonium from Hanford to Fort Douglas, Utah.
William J. Desmond served as a 2nd lieutenant in the 393rd Bombardment Squadron. He was the pilot regularly assigned to the B-29 Strange Cargo.
O'Brien worked for Stone and Webster Engineering Corporation.
James Dugger served in the 1st Ordnance Squadron.
