National Museum of Nuclear Science & History
Petersen worked in the 200 West Area at Hanford during the Manhattan Project.
Roy K. Balliet served as a corporal in the 393rd Bombardment Squadron. He was a member of the ground crew regularly assigned to the B-29 Big Stink, and he and his crew were later reassigned to Luke the Spook.
James J. Barbera served in the 320th Troop Carrier Squadron.
Watson worked at the 300 Area at Hanford during the Manhattan Project.