National Museum of Nuclear Science & History
L. L. Kallestad worked for the United States Engineer District Office.
Charlie L. Gibbs served in the 1027th Air Material Squadron.
Rex Edward Keller was a member of the Special Engineering Detachment, assigned to work in Seth Neddermeyer’s chemistry group at Los Alamos.
Daniel M. Gowans served in the 1st Ordnance Squadron.