<P> The U.S. Army particularly emphasizes the fireteam concept . Per U.S. Army doctrine a typical fire team consists of four soldiers . </P> <Ul> <Li> Team Leader (TL): Usually either a sergeant or corporal (although occasionally a team is led by a specialist or private first class when the platoon has a shortage of junior NCOs). Provides tactical leadership for the team at all times with a "Do As I Do" attitude; standard equipped with backpack GPS / radio set, and either an M16 rifle or M4 carbine . </Li> <Li> Rifleman (R): Is' the baseline standard for all infantrymen' . They are equipped with the M16 rifle or M4 carbine . The rifleman is usually assigned with the grenadier to help balance the firepower capabilities of the automatic rifleman . </Li> <Li> Grenadier Rifleman (GR): Provides limited high - angle fire over' Dead zones' . A grenadier is equipped with an M4 / M16 with the M203 grenade launcher (or newer M320 grenade launcher) mounted to the weapon . </Li> <Li> Automatic Rifleman (AR): Provides overwatch and suppressive fire through force multiplication . The most casualty producing person in a fireteam, in terms of firepower and maneuverability when compared to the standard nine - man rifle squad . An automatic rifleman is equipped with a M249 light machine gun . The automatic rifleman is usually assigned with the team leader to maximize directed fields of fire and to help balance the firepower capabilities of the grenadier . </Li> </Ul> <Li> Team Leader (TL): Usually either a sergeant or corporal (although occasionally a team is led by a specialist or private first class when the platoon has a shortage of junior NCOs). Provides tactical leadership for the team at all times with a "Do As I Do" attitude; standard equipped with backpack GPS / radio set, and either an M16 rifle or M4 carbine . </Li> <Li> Rifleman (R): Is' the baseline standard for all infantrymen' . They are equipped with the M16 rifle or M4 carbine . The rifleman is usually assigned with the grenadier to help balance the firepower capabilities of the automatic rifleman . </Li>

Who is responsible for maneuvering the fire team