National Museum of Nuclear Science & History
John Sullivan was a staff worker at Los Alamos during the Manhattan Project.
Chester J. Krajewski served as a corporal in the 393rd Bombardment Squadron. He was a member of the ground crew regularly assigned to the B-29 Top Secret.
John C. Delmar, Jr. served in the 603rd Air Engineering Squadron.
Calvin S. Shepherd worked on the Manhattan Project at Los Alamos, NM and the Trinity Site.