No malfunctions here
KANDAHAR AIRFIELD, Afghanistan — Tech. Sgt. Stephen Vermilya cleans a 50-caliber machine gun, Dec. 5, 2009. Cleaning a weapon is just as important as knowing how to use one. Sergeant Vermilya is a combat arms instructor with the 451st Expeditionary Security Forces Squadron from Mountain Home Air Force Base, Idaho. (U.S. Air Force photo/Senior Airman Timothy Taylor)