National Museum of Nuclear Science & History
Arthur S. Opsahl served in the 603rd Air Engineering Squadron.
Howard A. Thompson served as a sergeant in the 393rd Bombardment Squadron. He was a member of the ground crew regularly assigned to the B-29 Straight Flush.
Donald D. Tuttle served in the 393rd Bombardment Squadron.
Before he came to Hanford Sam Campbell had a varied work history, including service with the coast artillery in the Philippines and pipeline construction in South America.