Sergeant (UNSC)

A Sergeant is the fifth enlisted rank of the UNSC Marine Corps, and is a non-commissioned officer. It is equal to the rank of Petty Officer Second Class in the UNSC Navy.

While Sergeant is a rank of its own, the title "Sergeant" is often used to refer to any of the enlisted ranks of the UNSC Marine Corps which carry the title Sergeant:
 * Sergeant Major
 * Master Gunnery Sergeant
 * First Sergeant
 * Master Sergeant
 * Gunnery Sergeant
 * Staff Sergeant
 * Sergeant