National Museum of Nuclear Science & History
Robert Keen enlisted in the military on December 28, 1944 and began his training for the U.S. Army Corps of Engineers in January of 1945.
John C. Pennock attended Cornell University, where he studied engineering. He was a member of the Special Engineer Detachment at Oak Ridge, where he worked as a technical engineer at the K-25 Plant.
Robert L. Hunt served in the 339rd Bombardment Squadron.
Arthur D. Henderson served in the 320th Troop Carrier Squadron.