A Corps Support Group, or CSG, was a

brigade A brigade is a major tactical military unit, military formation that typically comprises three to six battalions plus supporting elements. It is roughly equivalent to an enlarged or reinforced regiment. Two or more brigades may constitute ...

-sized unit in the

United States Army The United States Army (USA) is the primary Land warfare, land service branch of the United States Department of Defense. It is designated as the Army of the United States in the United States Constitution.Article II, section 2, clause 1 of th ...

. A CSG differs from a Divisional support command (DISCOM) in that it is a

corps Corps (; plural ''corps'' ; from French , from the Latin "body") is a term used for several different kinds of organization. A military innovation by Napoleon I, the formation was formally introduced March 1, 1800, when Napoleon ordered Gener ...

, not a divisional, asset. Doctrinally, a CSG serves corps units, not division units, but in practice CSGs typically have a close working relationship with a particular division especially in garrison. A CSG's subordinate units also may be parceled out to different commands in theater, thus their wartime organization will normally significantly differ from their garrison organization. Typically, a CSG and its subordinate units will only deploy as far forward as the Division Support Area. A typical CSG will be organized with a Headquarters Company and a varying number of Corps Support Battalions (CSB's) which may or may not be from the same Fort as the headquarters. The CSG is normally responsible for reinforcing the logistics units of a Division while primarily supporting the non-divisional units such as Corps Artillery, Corps Military Police, and other higher echelon units. The US Army has been transforming many CSG's into

Sustainment Brigade Sustainment Brigades were created as part of the early 21st century transformation of the United States Army from a division-based structure to a brigade-based army. Mission The sustainment brigade is a flexible headquarters that is task organi ...

s while Corps Support Battalions are becoming Combat Sustainment Support Battalions (CSSBs). Three of the Corps Support Groups are Stationed at Fort Bragg, NC as part of the XVIII Airborne Corps.

Units

501st Support Group (Corps) - active army until 2015

References

Support groups of the United States Army {{US-Army-stub