200414-F-ST721-013
Master Sgt. Mike, 558th Flying Training Squadron flight chief, inspects one of the completed 3-D printed face shields April 14, 2020 at Joint Base San Antonio-Randolph. The face shields will be delivered to clinics on JBSA-Randolph and Lackland as medical personnel continue to fight the spread of COVID-19. (U.S. Air Force photo by Benjamin Faske)