The NATO Airborne Early Warning & Control Force (NAEW&CF)  is located on NATO Airbase Geilenkirchen. NAEW&CF has two units with operational capability: The NATO E-3A Component in Geilenkirchen, Germany, with 14 E-3A aircraft, and the E-3D Component of the Royal Air Force (RAF) in Waddington, UK, with six E-3D aircraft crewed solely by RAF personnel. The NAEW&CF is commanded on a rotational basis by either a US Air Force or a German Air Force major general.  The deputy commander is an RAF Air Commodore. The Force Command reports directly to the Supreme Allied Commander Europe.