National Museum of Nuclear Science & History
Arnold E. Sleipnes served as a techical sergeant in the 393rd Bombardment Squadron. He was a member of the ground crew regularly assigned to the B-29 Top Secret.
L. R. Zumwalt worked for the United States Engineer District Office.
Honnecker worked at the 300 Area at Hanford during the Manhattan Project.
Wesley R. Prohs served in the United States Naval Reserve. He also worked as a member of Project Alberta, the team that transported and assembled the two atomic bombs preceeding the August 1945 bombing missions on Hiroshima and Nagasaki.