National Museum of Nuclear Science & History
Jimmie Sparrow served in the 390th Air Service Group.
Osterloh worked in the 100 F Area at Hanford during the Manhattan Project.
Hinginio A. Baca served as a private first class 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.