Spartan - Augmented special forces equipped with MJOLNIR Powered Assault Armour - UNSC Command Authority: First Lieutenant Fireteam Leader - Field leader of a fireteam of 4-5 Spartans - UNSC Command Authority: Captain Mission Handler - Spartan Command liaison and intelligence support stationed at headquarters. Responsible for managing 5-10 fireteams, or 20-50 Spartans - UNSC Command Authority: Major Spartan Commander - Overall command-and-control of Spartan Company. Responsible for upwards of 300 Spartans - UNSC Command Authority: Colonel Director of Spartan Operations - Commander-in-Chief of the Spartans (CINCSPAR) - UNSC Command Authority: General