National Museum of Nuclear Science & History
Vito Di Rienzo worked in bomb assembly for the 1st Ordinance Squadron, 509th Composite Group. Di Rienzo was drafted into the military in 1943 at the age of 20.
Philip M. Barnes served as a lieutenant in the 1st Ordnance Squadron. He was the assistant weaponeer on Bockscar during the Nagasaki bombing mission.
