Master Sgt. Lance Stephenson, 28th Bomb Wing Foreign Object Debris program manager, drives the FOD Mule across the flight line at Ellsworth Air Force Base, S.D., Jan. 31, 2014. Stephenson conducts daily FOD checks on the flightline to ensure a safe work environment and prevent damage to aircraft and equipment. (U.S. Air Force photo by Senior Airman Anania Tekurio/Released)