Spanish Meaning: The name Nina is a Spanish baby name. In Spanish the meaning of the name Nina is: Girl. Hebrew Meaning: The name Nina is a Hebrew baby name. In Hebrew the meaning of the name Nina is: Grace.
Chief Master Sergeant (last name) A chief master sergeant in the U.S. Air Force is the highest senior non-commissioned officer rank and directly above senior master sergeant. It is equivalent to the rank of sergeant major in the Army, master gunnery sergeant/sergeant major in the Marines, and master chief petty officer in the Navy/Coast Guard.
The top three ranks of the enlisted force structure are a master sergeant, senior master sergeant, and chief master sergeant. Within this tier, personnel transition from craftsmen and supervisors to leadership and managerial positions. SNCOs are assigned duties commensurate with their skill level and rank.