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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.
| Unit | Component | Supported Unit | Location | Notes |
|---|---|---|---|---|
| 7th Corps Support Group | Active Army | VII Corps | Crailsheim, Germany | |
| 16th Support Group | Active Army | V Corps | Hanau, Germany | Now the 16th Sustainment Brigade |
| 24th Corps Support Group | Active Army | Fort Stewart | ||
| 30th Corps Support Group | NC ARNG | Durham, North Carolina | ||
| 40th Corps Support Group | CA ARNG | Long Beach, California | ||
| 43rd Corps Support Group | Active Army | Fort Carson | ||
| 45th Corps Support Group | Active Army | Schofield Barracks | ||
| 46th Corps Support Group | Active Army | XVIII Airborne Corps | Fort Bragg | |
| 64th Corps Support Group | Active Army | III Corps | Fort Hood | |
| 67th Support Group | National Guard | - | Lincoln, Neb. | 2003-2008, now the 67th Maneuver Enhancement Brigade |
| 101st Corps Support Group | Active Army | XVIII Airborne Corps | Fort Campbell | |
| 122nd Corps Support Group (122nd CSG) | Alabama Army National Guard | Selma, Alabama | Served in Iraq 2005 [2] | |
| 159th Corps Support Group | MT ARNG | Helena, Montana | ||
| 164th Corps Support Group | Army Reserve | Mesa, Arizona | ||
| 167th Corps Support Group | Army Reserve | Londonderry, New Hampshire | Lineage at | |
| 171st Corps Support Group (171st CSG) | Army Reserve | Garner, North Carolina | ||
| 172nd Corps Support Group (172nd CSG) | Army Reserve | Broken Arrow, Oklahoma | ||
| 363rd Corps Support Group | Army Reserve | San Marcos, Texas | ||
| 371st Corps Support Group | OH ARNG | Kettering, Ohio | Became 371st Sustainment Brigade | |
| 501st Support Group | Active Army | Republic of Korea | Became 501st Sustainment Brigade, 2006 [6] | |
| 507th Corps Support Group | Active Army | XVIII Airborne Corps | Fort Bragg | |
| 561st Corps Support Group (561st CSG) | Army Reserve | Omaha, Nebraska | ||
| 593rd Corps Support Group | Active Army | I Corps | Fort Lewis | |
| 917th Corps Support Group (917th CSG) | Army Reserve | Belton, Missouri | ||