what do chief warrant officers do
US Military Careers. Navy Chief Warrant Officers (CWOs) are technical specialists who perform knowledge and skills of a specific occupational field at a level beyond what is normally expected a Master Chief Petty Officer (E-9). The Chief Warrant Officer Program provides commissioning opportunities to qualified senior enlisted personnel. Chief Petty Officers (E-7 through E-9), and E-6 personnel who are selection board eligible for E-7 may qualify for this program.