U.S. Army Warrant Officer Rank Structure

Warrant Officer / WO1 / W-1
Chief Warrant Officer / WO2 / W-2
Chief Warrant Officer / WO3 / W-3
Chief Warrant Officer / WO4 / W-4
Chief Warrant Officer / WO5 / W-5
Warrant Officer / WO1 / W-1
Chief Warrant Officer / WO2 / W-2
Chief Warrant Officer / WO3 / W-3
Chief Warrant Officer / WO4 / W-4
Chief Warrant Officer / WO5 / W-5