3D Printing Air Force Staff Sgt. Devan Trammel, 628th Civil Engineer Squadron explosive ordnance disposal flight team leader and Palmetto Spark innovation lab member, uses 3D printing technology to produce parts for a face shield at Joint Base Charleston, S.C., April 10, 2020. The innovation team is working to support essential personnel and minimize health risks associated with the COVID-19 pandemic. SHARE: Download: Full Size (2.44 MB) Credit: Air Force Tech. Sgt. Christopher Hubenthal VIRIN: 200410-F-AD344-0117M.JPG Photo Gallery