Luftwaffe Ranks and their equivalents in RAF and USAAF.

Luftwaffe Rank Abbreviation RAF Rank USAAC Rank
Flieger Fl / Flg Aircraftsman 2nd Class Airman (Amn)
Gefreiter Gefr Aircraftsman 1st Class Airman 1st Class (A1C)
Obergefreiter Ogfr Leading Aircraftsman
Hauptgefreiter Hptgefr
Unteroffizier Uffz Corporal Sergeant
Unterfeldwebel Ufw Sergeant
Feldwebel Fw Sergeant Technical Sergeant
Fähnrich (Fahnenjunker) Fhr Flight Officer
Oberfeldwebel Obfw Flight Sergeant Master Sergeant
Oberfähnrich Obfhr Warrant Officer Flight Officer  (senior)
Stabsfeldwebel Stabsfw Sergeant Major Master Sergeant
Leutnant Lt Pilot Officer 2nd Lieutenant
Ober Leutnant Olt Flying Officer Lieutenant
Hauptmann Hptm Flight Lieutenant Captain
Major Maj Squadron Leader Major
Obersleutnant Oberstlt (ObLt) Wing Commander Lieutenant Colonel
Oberst Oberst (Ob) Group Captain Colonel
General Major GenMaj Air Commodore Brigadier General
General Leutnant GenLt Air Vice Marshal Major General
General (der Flieger/Flak) Gen (dFl/Flak) Air Marshal Lieutenant General
General Oberst GenOb Air Chief Marshal 4-star General
Generalfeldmarschall GenFeldm Marshal of the Royal Air Force 5-star General
Reichsmarschall