An F-15C Eagle, deployed from the 48th Fighter Wing, Royal Air Force Lakenheath, England, flies over Iceland Nov. 21, 2013. The 48th Air Expeditionary Group maintained the NATO air surveillance and policing mission in Iceland from Oct. 28 to Nov 29. (U.S. Air Force photo by Airman 1st Class Dana J. Butler/Released)
An F-15C Eagle, deployed from Royal Air Force Lakenheath, England, performs a mock aerial interception on a KC-135 Stratotanker, deployed from RAF Mildenhall, England, while flying over Iceland Nov. 21, 2013. The 48th Air Expeditionary Group maintained the NATO air surveillance and policing mission in Iceland from Oct. 28 to Nov. 29. (U.S. Air Force photo by Airman 1st Class Dana J. Butler/Released)
Senior Airman Andrew Parsons, 351st Expeditionary Air Refueling Squadron boom operator, fills out paperwork prior to a flight while deployed to Iceland Nov. 19, 2013. The 48th Air Expeditionary Group maintained the NATO air surveillance and policing mission in Iceland from Oct. 28 to Nov. 29. (U.S. Air Force photo by Airman 1st Class Dana J. Butler/Released)
An F-15C Eagle, deployed from Royal Air Force Lakenheath, England, performs a mock aerial interception on a KC-135 Stratotanker, deployed from RAF Mildenhall, England, while flying over Iceland Nov. 21, 2013. The 48th Air Expeditionary Group maintained the NATO air surveillance and policing mission in Iceland from Oct. 28 to Nov. 29. (U.S. Air Force photo by 1st Lt. Leah Davis/Released)
A KC-135 Stratotanker crew refuels an F-15C Eagle over Iceland during a training mission Nov. 21, 2013. The 48th Air Expeditionary Group maintained the NATO air surveillance and policing mission in Iceland from Oct. 28 to Nov. 29. (U.S. Air Force photo by 1st Lt. Leah Davis/Released)