LANGLEY AIR FORCE BASE, Va. -- The KC-135 Stratotanker is one of five aircraft that will be flying over the Hampton Roads Air Force Week opening ceremony at Hampton University April 18 at 6:30 p.m. The KC-135 provides the core aerial refueling capability for the Air Force and has been doing so for more than 50 years. It is also capable of transporting litter and ambulatory patients using patient support pallets during aeromedical evacuations. (U.S. Air Force photo)