This is about Carver's AI
Sergeant Major Olden Bryant [often addressed simply as "Sergeant Major"] Is the Army Instructor [AI] at Carver High School, and is a prominent figure in the JROTC Program. He is very energetic, and very friendly with a willingness to help others when in need. He is also a stern disciplinarian, and is very quick to tell someone when they have done something wrong or committed a violation of protocol or other policy. He is often seen in his office with Lieutenant Colonel Smith, in his trailer, and with the Drill Team.
Rank: Sergeant Major [Retired]
Position: Army Instructor, Carver High School
Branch of Service: US Army