National Museum of Nuclear Science & History
Ralph R. McCoy served in the 393rd Bombardment Squadron.
Frank Smith worked in the shop at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Jim Johnson was an ordnanceman at Los Alamos from 1944 to 1945. He was born on January 8, 1926, and started work at the Naval Ordnance Test Station at China Lake, Califiornia in 1944.
