Corps Support Group

A Corps Support Group (CSG) was a brigade-sized unit in the United States Army. A CSG differs from a Division Support Command (DISCOM) in that it is a corps, 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 would only deploy as far forward as the Division Support Area. A typical CSG would include a Headquarters Company and a varying number of Corps Support Battalions (CSBs) which may or may not be from the same Fort as the headquarters. The CSG was 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.^[1]

The US Army reorganized many CSGs into Sustainment Brigades while Corps Support Battalions are becoming Combat Sustainment Support Battalions (CSSBs). Three of the Corps Support Groups are stationed at Fort Liberty, NC as part of the XVIII Airborne Corps.

In certain circumstances, Area Support Groups may carry out the same functions:

The 300th Area Support Group, 13th Corps Support Command and the 122nd Corps Support Group, 1st Corps Support Command conducted a transfer of authority ceremony Dec. 19 on the grounds of the Ziggurat of Ur. The 300th ASG, a Reserve unit from Fort Lee, Va. was mobilized and deployed December 15, 2003 for Operation Iraqi Freedom. During their tenure they provided direct support supply, transportation, and maintenance support to three U.S. divisions, a multi-national division, an armored cavalry division and a Marine expeditionary unit.^[2]

On 7 September 2008, the 300th Area Support Group cased its colors in a ceremony in Mifflin Hall at Fort Lee (Virgina) as part of its inactivation. The 300th ASG was organized in November 1971.^[3] It traces its history many years before to the 5435th Quartermaster Training Brigade. It served as a multi-functional headquarters for units conducting support exercises, training, and operations. Elements were deployed with the I-FOR NATO peacekeeping force in Bosnia-Herzegovina in 1996.^[4] Soldiers from this unit volunteered to deploy for Operation Desert Storm in 1991, and the entire unit deployed in January 2004 to Iraq.^[5]

There are also a large number of Regional Support Groups, for example the 42nd Regional Support Group and the 206th Regional Support Group of the Reserve Engineer Command.