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There is more information available on this subject at Fireteam on the English Wikipedia.
For the Halo: Reach gameplay element, see Fireteam (gameplay mechanic).
A Marine rifle team in Kenya

A fireteam is the smallest organization that ground forces are assigned to in the UNSC Army, Marine Corps and Spartan branch. As the smallest unit, it serves as the base upon which all other units are organized from. The closest organizational unit in the Covenant military is known as a lance.



The concept of the fireteam is based on the need for tactical flexibility in infantry operations. They generally consist of approximately four soldiers or Marines who are formed into a squad. Generally, a squad contains three fireteams.

A fireteam is capable of autonomous operations as part of a larger unit. Successful fireteam employment relies on quality small unit training for troops, experience of its members operating together, sufficient communications infrastructure, and a quality non-commissioned officer corps to provide tactical leadership for the team.


Note: The number of troops, their armament, and their roles in the team may vary from team to team. For example some teams may include an anti-matériel specialist, a demolitions expert, a designated marksman, a combat medic, or other mission-critical personnel. In many cases, this specialized function replaces the basic rifleman position in the fireteam. The following is just an example. This model is based off of modern military fireteam structure, and is (unless specifically noted) not fully canon to Halo.

  • Fireteam Leader (FTM): First in command, provides tactical leadership. Under the UNICOM rank structure, Fireteams are led by an E-4 Corporal, with an E3 Lance Corporal serving as the Fireteam Assistant.[1] Usually wields an service rifle such as an MA5 assault rifle or a battle rifle. Generally, the Fireteam Leader will mount an underslung grenade launcher on their rifle.
  • Designated Automatic Rifleman (DAR): For added firepower against a large number of enemies or vehicles, this soldier or Marine will carry some type of automatic weapon, such as the M739 SAW or M247 machine gun.
  • Rifleman (R): The most common role in a fireteam. Several riflemen may be incorporated into a fireteam and in some situations is the only member needed. Usually carries Assault Rifle and/or Battle Rifle service weapons, a sidearm, and provides suppressive fire for the team. They are the most common members of a fireteam; they are considered the backbone of operations for the UNSC infantry as a whole, as every other specialists' role exists to augment and support the rifleman's capabilities.
  • Additional specialists from each fireteam in a rifle squad is usually one (or more) of the following:
    • Assistant Automatic Rifleman (AAR; Marine Corps only): Carries extra ammunition or other weapon-related kit for the designated automatic rifleman in the team; normally carries a service rifle.
    • Designated Grenadier (DG; Army only): Unlike the Marine Corps, the Army fireteam has a designated grenadier instead of having the Fireteam Leader operate a grenade launcher underneath his rifle; this soldier will carry some type of grenade launcher, such as the M319 grenade launcher or M363 sticky detonator.
    • Designated Marksman (DM): The marksman lays down accurate rapid fire at valuable targets as needed, thus extending the reach of the fireteam; this soldier or Marine will carry some type of designated marksman rifle. May also serve as the fireteam's "Scout".
    • Anti-Armor Specialist (RMAT): The anti-vehicle specialist; this soldier or Marine will carry some type of rocket launcher, landmines, or an "Anti-Matériel" sniper rifle.

Notable Fireteams[edit]


Marine Corps[edit]

Special Operations Forces[edit]

In the Spartan Operations branch, Spartans are typically divided into fireteams of 4-5 personnel. Spartan-IV fireteams are led by a Spartan with the rank of Fireteam Leader, roughly analogous to a UNSC Captain.[2]


  • An accurate fireteam (Leader, Rifleman, Automatic Rifleman, and Grenadier) hasn't been depicted in any form of Halo media.

Related links[edit]




  1. ^ Halo: Official Spartan Field Manual, PART 8: UNSC ORGANISATION, UNICOM Ranks (p. 142-143)
  2. ^ Halo: Official Spartan Field Manual, PART 2: THE SPARTAN-IV PROGRAM, Spartan Command Structure(p. 32-33)