Air Force Airman 1st Class Trent Ramsey, left, an air transportation cargo processor with the 436th Aerial Port Squadron, and Air Force Senior Airman Dominique Hedges, a physical therapy technician with the 436th Medical Group, man a medical screening checkpoint while wearing 3D printed face shields at Dover Air Force Base, Del., April 10, 2020. Models for face shields can be downloaded from The Defense Logistics Agency’s Joint Additive Manufacturing Model Exchange.