Tommy Eschbach, Combat Airman Skills Training instructor from Lancaster, Pa., conducts a weapon safety training lesson for CAST students Feb. 3 at the U.S. Air Force Expeditionary Center. USAF Expeditionary Operations School instructors teach students how to properly clean, carry, and employ their weapons during this portion of the standardized pre-deployment training.(U.S. Air Force photo/Capt. Matthew Chism)