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.
A Marine Corps Warrant Officer, or WO, is a technical expert in an assigned field of specialty. A WO is higher in rank than an enlisted Marine, yet not as high as a regular officer. Unlike regular officers, Warrant Officers are chosen strictly from among the Corp's enlisted members. There are four different Warrant Officer programs for you to choose from, including active duty, reserve, career recruiter and Marine gunner.