The term "heavy infantry" has no clear use in Modern Warfare. It is understood that the heavy infantry guns have more size and greater destructive power, so use heavy weapons like Mortar, Machine Gun, Rocket Launcher and Bazooka. The mechanized infantry uses the term to refer to infantry also used armored vehicles. If in the case of light infantry, their main strength lies in tactical mobility, in the case of the heavy infantry that is looking to take advantage of its strong ability to combat weapons in the most direct possible against the enemy.