Other origins for the name Nina include-English, Spanish, Native American, Hebrew, Spanish.The name Nina is most often used as a girl name or female name. English Name Meaning-Favor; grace. Variant of Ann or Anne: A variant of Hannah introduced to Britain in the 13th century.
Selection Process. Chief warrant officers are selected from enlisted members who have demonstrated exceptional long-term performance in various technical specialties. CWO programs are available to chief petty officers who have at least 12 but no more than 24 years of service.
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.