Mobilized as part of Operation NOBLE EAGLE, STAFF Sergeant Garry Root and SENIOR AIRMAN Shea Higgins (background) guard the entry control point to the flightline at Rickenbacker Air National Guard Base, Columbus, Ohio. They are Security Policemen with the 121st Air Refueling Wing, guarding the wings KC-135 aircraft. 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