OVER THE AEGEAN SEA - Reserve KC-10 aircrew practice air refueling with American and Greek fighter pilots flying the F-16 Fighting Falcon Jan. 25-Feb. 4 as part of ongoing Operation Atlantic Resolve. Operation Atlantic Resolve is a demonstration of the United States' continued commitment to the collective security of NATO and dedication to the enduring peace and stability in the region, in light of the Russian intervention in Ukraine. (U.S. Air Force photo/Master Sgt. Donna T. Jeffries)