National Museum of Nuclear Science & History
John D. Kuharek served as a master sergeant in the 393rd Bombardment Squadron. He was assigned to the Great Artiste as a flight engineer and flew in the mission to Hiroshima.
Langworthy worked in the 100 D Area at Hanford during the Manhattan Project.
Calvin B. Popwell 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.
