National Museum of Nuclear Science & History
Beltzner worked at the 100-D Area at Hanford during the Manhattan Project.
Barrett Castle worked for the Tennessee Eastman Corporation at the Y-12 Plant.
John P. Flannery worked for H.K. Ferguson Co. and Morrison Knudson. Co. on construction at Oak Ridge, TN during the Manhattan Project.
Henry L. Smith served in the 393rd Bombardment Squadron.