Warrior Airmen practice for real
VANDENBERG AIR FORCE BASE, Calif. - Challenging opposition forces, Senior Airman Norma Alvarez, of the 30th Security Forces Squadron, fires her M249 light machine gun during a North Star exercise here Thursday, June 10, 2010. At the North Star exercise, Airmen are taught to positively identify the enemy during an attack before firing their weapon. (U.S. Air Force photo/Senior Airman Christopher
Hubenthal)