Major

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

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 red armor.

UNSC

 * 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.

In-game

 * Major may also to refer to a rank in Halo 3 multiplayer or Halo: Reach.