Унтер-офицер
Stabsfeldwebel (StFw or SF; ) is the second highest Non-commissioned officer (NCO) rank in German Army and German Air Force. It is grouped as OR-8 in NATO, equivalent to a First Sergeant in the United States Army, and to Warrant Officer Class 2 in the British Army. Promotion to the rank requires at least twelve years total active duty, of which at least eleven years have elapsed since promotion to "unteroffizier", with at least ten years since promotion to "stabsunteroffizier", and nine years since promotion to "feldwebel".