Major

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

Covenant

 * Jiralhanae Major- Jiralhanae Infantryman with Blue armor.
 * Kig-yar Major- Kig-yar Infantryman with an orange shield.
 * Sangheili Major- Sangheili Infantryman with Red armor.
 * Unggoy Major- Unggoy Infantryman with Red armor.
 * Yanme'e Major- Yanme'e Airborne Infantryman with no specific armor differences.

UNSC

 * Major- Field Grade officer rank of the UNSC Army and UNSC Marine Corps.
 * Major General- General officer rank in the Army and Marine Corps.
 * Sergeant Major- The highest Enlisted rank in the Army and Marine Corps.
 * Major (Halo 3)- A rank in Halo 3.

Forerunner

 * Sentinel Majors- The gold-plated Sentinel constructs with shields.