Major

Major is a common rank both in the Covenant and the UNSC. It may refer to any of the following:

Human

 * Major - Field Grade officer rank of the UNSC Air Force, UNSC Army and UNSC Marine Corps.
 * Major General - General officer rank in the Air Force, Army and Marine Corps.
 * Sergeant Major - The highest enlisted rank in the Army and Marine Corps.

Covenant

 * Jiralhanae Major - Jiralhanae infantryman with blue armor.
 * Jiralhanae Captain Major - Jiralhanae captains in golden armor.
 * Kig-Yar Major - Kig-Yar infantryman with an orange shield.
 * Sangheili Major - Sangheili veteran infantryman with red armor.
 * Unggoy Major - Unggoy infantryman with red armor.
 * Yanme'e Major - Yanme'e airborne infantryman with armor.

In-game ranks

 *  - A rank in Halo 3 multiplayer.
 *  - A rank in Halo Wars.
 *  - A rank in Halo: Reach.