An F-15C Eagle flies over Iceland Nov. 21, 2013. The aircraft is deployed from the 48th Fighter Wing, Royal Air Force Lakenheath, England. The 48th Air Expeditionary Group has been maintaining the North Atlantic Treaty Organization air surveillance and policing mission in Iceland since Oct. 28, 2013. (U.S. Air Force photo by Airman 1st Class Dana J. Butler/Released)