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.
Porter worked in the 200 East and West Areas at Hanford during the Manhattan Project.
John William Starner joined the Manhattan Project in December 1943 as a member of the Special Engineer Detachement at Los Alamos.
