Organisational pattern in selected NATO countries, by relative size Size British and USN USAF and USMC Canadian German Air Force Rank level of general or commanding officer Largest Group Wing Air division Division aérienne no equivalent OF-6 or OF-7 Large Wing Group Wing Escadre Taktisches Luftwaffengeschwader (en: Operational AF-Wing) OF-4 or OF-5 Small Squadron Squadron Squadron Escadron Staffel OF-3 or OF-4 Smallest Flight Flight Flight Escadrille Schwarm / Kette OF-2