Regiment

A regiment is a military unit, larger than a company and smaller than a division. Depending on mission, country of origin, and makeup, a modern regiment is similar to a brigade in size in that both range from a few hundred soldiers up to 2,000-3,000, depending on branch of service and method of organization. The modern unit varies in size, scope, administrative role from nation to nation, and within the armed forces of some nations.

United States Army Regiments

:See also List of United States Marine Corps regiments, Infantry divisions of the United States

Related Topics:
List of United States Marine Corps regiments - Infantry divisions of the United States

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The United States Army was also once organized into regiments, but generally uses the brigade instead. There are exceptions, such as the United States Cavalry, some parachute infantry regiments and the Army Rangers. Although every battalion or squadron is associated with a regiment for historical purposes, most combat regiments are cavalry regiments which are attached to a corps. These regiments, who are associated generally for historical purposes, can be known as parent regiments.

Related Topics:
United States Army - Brigade - United States Cavalry - Army Ranger - Battalion - Corps - Parent regiment

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In the 20th century the "Division" became the tactical and administrative building block for U.S. armies in mobilizations for World Wars I & II, Korea, Vietnam and NATO. Industrial management techniques were used to draft, assemble, equip, train and then employ huge masses of conscripted civilians in very short order, starting with minimal resources. Training, administration and even tactical employment was centred at divisional level. Most combat support and logistics was also concentrated at that level.

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In the 21st century, the U.S. Army has moved to "modularization", trying to use the autonomous brigade as the basic building block, as well as insert more stability and unit cohesion.

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The United States Marine Corps calls its divisional brigades, regiments, for traditional reasons.

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