United States Army

The U.S. Army is the backbone of the US military. They have the best men, vehicles and weaponry known to the world. It is one of the largest branches of the United States Armed Forces which performs land based operations. The Army has several battalions and divisions, and reserves which are part of the United States National Guard.

Equipment
Being the land-based military of the U.S., the army operates several vehicles including Humvees, trucks, light tanks, medium tanks, and heavy tanks. Additionally, they operate several helicopters for transport and attacking enemy forces.

Small arms

 * M16A2 assault rifle
 * Colt Model 773
 * M249 SAW
 * M60 Machine Gun
 * Remington Model 700
 * M203 Grenade Launcher

Anti-tank and anti-air weapons

 * PSRL-1 Rocket Propelled Grenade
 * Mk 153 Shoulder-Launched Multipurpose Assault Weapon
 * FIM-92A Stinger

Transport vehicles

 * Humvee
 * M35 truck (cutscenes only)
 * M939 Truck (cutscenes only)
 * Joint Light Tactical Vehicle (Used as Prototype During Battle of Marcora)

Armored transports/APCs/IFVs

 * M2A2 Bradley
 * AAVP7A1 (possibly lent by the USMC)

Anti-aircraft vehicles

 * M48 Chaparral
 * M163 VADS

Tanks

 * M551 Sheridan
 * M88A1 MRV
 * M60A3 Patton
 * M1A1 Abrams

Helicopters

 * UH-60 Black Hawk
 * AH-64A Apache
 * AH-1W Super Cobra