Tech. Sgt. Taft Tubbs, 28th Maintenance Squadron quality assurance inspector, evaluates Staff Sgt. Richard Burton, 28th Aircraft Maintenance Squadron electrical and environmental technician, on his knowledge of B-1 parts at Ellsworth Air Force Base, S.D., Sept. 4, 2013. All operations on the flightline are constantly monitored by QA inspectors to verify maintenance and support personnel complete their tasks safely and properly. (U.S. Air Force photo by Airman 1st Class Zachary Hada/Released)