Tech. Sgt. Chad Bruntjens, 932nd Airlift Wing, discards some debris found during the weekly flight line foreign object debris (FOD) walk at Scott Air Force Base. Volunteers from the Reserves, active duty and civilian contractors form a line the width of the flight line and look for any debris that could cause damage to an aircraft's engines. (U.S. Air Force photo/ Tech. Sgt. Christopher Parr)