German Wehrmacht, Luftwaffe, rank insignia until 1945 – shoulder strap: Rank Oberfeldwebel (comparable to UK – Staff sergeant/ US – Sergeant First Class, doday comparable to NATO OR-7)
Particularity: by introduction of the Bundesweh grades  Hauptfeldwebel OR7/8 und Oberstabsfeldwebel OR-9, the Oberfeldwebel rank is on level OR6.
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