
1) Naval rank of Germany
Found on
https://www.crosswordclues.com/clue/stabsbootsmann

Stabootsmann (StBtsm or SB) is the second highest Non-commissioned officer (NCO) rank in the German Navy. It is grouped as OR8 in NATO, equivalent to First Sergeant, Master Sergeant, or Senior Chief Petty Officer in the US Armed forces, and to Warrant Officer Class 2 in the British Army and Royal Navy. In navy context NCOs of this rank were formal...
Found on
http://en.wikipedia.org/wiki/Stabsbootsmann
No exact match found.