U.S. Air Force F-15C Eagles from the 493rd Expeditionary Fighter Squadron from Royal Air Force Lakenheath, England arrive at Siauliai Air Base, Lithuania Aug. 29. The United States Air Force is scheduled to assume control of the NATO Baltic Air Policing mission from the Polish air force during a hand-over ceremony on Aug. 30. (U.S. Air Force photo/ Tech. Sgt. Matthew Plew)