STAFF Sergeant Michael D. Ritchie, USAF, from the Arkansas Air National Guard 188th Security Forces Squadron, checks an unidentified individuals identification card at the front entrance of Ebbing ANG Base, during Operation NOBLE EAGLE. NOBLE EAGLE is a partial mobilization of the reserves for homeland defense and civil support missions in response to the terrorist attacks on September 11, 2001 at the New York World Trade Center and the Pentagon