U.S. Air Force Capt. John Peskar, 18th Aggressor Squadron pilot, prepares to refuel an F-16 Fighting Falcon from a KC-135 Stratotanker assigned to the 22nd Air Refueling Wing McConnell Air Force Base, Kansas, May 3, 2016, during RED FLAG-Alaska (RF-A) 16-1 at Eielson Air Force Base, Alaska. RF-A is