Two U.S. Air Force F-15C Eagle fighter aircraft assigned to the 104th Fighter Wing, Barnes Air National Guard Base, Mass., fly alongside a U.S. Air Force KC-135 Stratotanker from the 916th Air Refueling Wing, Air Force Reserve Command, Seymour Johnson, N.C. after taking fuel in the skies over Iceland while conducting Air Surveillance operations. Deterrence missions such as this communicates that the U.S. is serious about security and stability in the region. (U.S. Air Force photo by Master Sgt. Kevin Nichols/Released)