ALI BASE, Iraq -- Senior Airman Nikita Govan, security forces sentry response force Airman, safeguards the entry and exit onto the flightline July 8. The Airman provides security for Air Force, Army, Navy and coalition aircraft on the airfield here. Airman Govan is deployed to the 407th Expeditionary Security Forces Squadron from Moody Air Force Base, Ga. (U.S. Air Force photo/Tech. Sgt. Sabrina Johnson)