The most widely used, and most copied, military vehicle in the world, the HMMWV (known as the “Humvee”) has served more than 50 other nations for more than 30 years. More than 20 U.S. variants are in use as troop and cargo carriers, ambulances, armament carriers, TOW missile carriers, shelters and prime movers. Armored versions are also available. Its familiar wide track was designed to drive in the tracks of main battle tanks.