FOD Walk
ELLSWORTH AIR FORCE BASE, S.D. -- Major Robert Kelly, 28th Communications Squadron commander, picks up rocks and debris during a foreign object debris walk, June 7. The FOD walk helps ensure the flightline is safe and free of potentially hazardous debris which could cause millions of dollars worth of damage to a jet. (U.S. Air Force photo/Airman 1st Class Anthony Sanchelli)