The USMC Warrant Officer 3 Rank is earned after eight years of service and is an honor to hold this rank. Chief Warrant Officer 3, abbreviated as W-3 or CW3, is the third Warrant Officer rank in the Marine Corps and like Warrant Officer 4s, are appointed by the Secretary of the Marine Corps. CW3s support operations from team to brigade levels. The Warrant Officer 3 Rank is regulation size measuring at ⅜ inches with a red and silver finish. This rank insignia is used for the official United States Marines uniform and is made in the USA.