U.S. Navy Lt. Ben Walborn pilots an F/A-18 Hornet aircraft assigned to the U.S. Navy Flight Demonstration Squadron, the Blue Angels, alongside a KC-135R Stratotanker aircraft while waiting to refuel over the United States Jan. 3, 2011. The KC-135R is assigned to the U.S. Air Force 117th Air Refueling Wing, Alabama Air National Guard. (U.S. Air Force photo by Master Sgt. Ken Johnson/Released)