ANKARA, TURKEY - FEBRUARY 20:  Turkey's first Boeing 737 Peace Eagle Airborne Early Warning and Control Aircraft (AEW&C) will formally enter service following a ceremony on 21st February in Ankara, Turkey on February 13, 2014. Peace Eagle is a twin-engine airborne early warning and control aircraft that electronically scanned radar antenna instead of a rotating one. The aircraft has also been selected by the Turkish Air Force (under "Project Peace Eagle"). (Photo by Aykut Unlupinar/Anadolu Agency/Getty Images)