QaS DevwI' (Klingonese, "troop leader") is a rank in the Klingon Defense Force, analogous to a sergeant of other races and cultures' militaries, or a chief of naval or fleet services. A QaS DevwI' is generally responsible for fifteen squads of five soldiers each aboard Klingon warships. (GKN novel: A Good Day to Die)

The translation of meaning of QaS DevwI' is according to The Klingon Dictionary and Klingon for the Galactic Traveler.

Troop leadersEdit

• Grotek
• Morglar
• Skragg
• Vok

	Enlisted ranks				Commissioned ranks							Flag ranks
Klingon Defense Force naval & marine	ENL (bekk)	PO/LDR (DevwI') CPO/TROOP LDR (QaS-DevwI')			ENS (lagh)	LT JG	LT (Sogh)	LT CMDR	CMDR (la')	CAPT (HoD)		CDORE (totlh)	ADM ('aj)			FADM
	ENL (mang) 2C ENL (mang) 1C LCPL	CPL (Da')	SGT (bu') SGT MAJ		LT JG	LT (Sogh)	CAPT	MAJ	LT COL	COL		BRIG ('ech)	MAJ GEN	GEN (Sa')