U.S. Air Force Tech. Sgt. Joshua Martin, 20th Maintenance Group maintenance quality assurance (QA) technician, speaks with Airman 1st Class Codey Lohbusch, 20th Aircraft Maintenance Squadron tactical aircraft maintainer, at Shaw Air Force Base, S.C., Aug. 1, 2017. Airmen assigned to QA are from different backgrounds, ranging from metals technology, propulsion and tactical aircraft maintainers. (U.S. Air Force photo by Senior Airman Christopher Maldonado)