1) Military rank of Germany 
Feldwebel (Fw or F) is the lowest senior Non-commissioned officer (NCO) rank in German Heer and Luftwaffe. It is grouped as OR6 in NATO, equivalent in the US Army, and Air Force to Staff Sergeant, or in British Army / RAF to Sergeant. In army/ air force context NCOs of this rank were formally addressed as Herr Feldwebel also informally / short Fel...
non-commissioned rank in the Heer and Luftwaffe, the most junior of the "Unteroffiziere mit Portepee" (senior NCO) ranks. Approximately equal to staff sergeant.
Staff Sergeant.