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Infantry, body of soldiers who fight on foot using light weaponry, such as rifles, machine guns, bazookas, mortars, and grenades. Despite the mechanization of warfare, infantry units still form the largest combat branch of most armies. In the U.S. army an infantry division consists of about 15,000 infantry members and normally includes 8 armored battalions equipped with tanks and heavy weapons.

See also: Army.

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21st Century Webster's Family Encyclopedia21st Century Webster's Family Encyclopedia - Inert gas to Jaruzelski, Wojciech