The 1st Infantry Division Sustainment Brigade (1ID SB) in garrison at Fort Riley is composed of two subordinate battalions.

DISCOM units supported the Division in all of the eleven campaigns it participated in while deployed to South Vietnam .

The Division Material Management Center (DMMC) was established, and the Finance and Personnel Services Companies (PSC) were reorganized into battalion commands.

The DISCOM was awarded the Meritorious Unit Commendation for its contributions during Operation Iraqi freedom II.

Over the months between January 2006 and July 2006 the 601st [1] returned to Fort Riley, the 701st was inactivated, the 299th was task organized to the 2nd Brigade Combat Team in preparation for another deployment to Operation Iraqi Freedom, and the 201st was task organized under the 3rd Brigade Combat Team and later deactivated.

The DISCOM HHC was re-deployed to Fort Riley Kansas in August 2006 to build the 1st Sustainment Brigade.

[9] The 1st Sustainment Brigade (SB) was activated on 15 February 2007 at 10:00 am local time at Fort Riley, Kansas.

[10] It is a scalable tailorable Sustainment Brigade, with a mission statement of: Plans, synchronizes, monitors, and executes distribution operations.

[11] The brigade made history on 16 June 2008 when it heralded the return of the battlefield promotion system in the US Army.

The system, which was previously discontinued, was part of a pilot program that the Army was looking at to bring battlefield promotions back.

[12] From October 2012 to September 2013 the 1ID Sustainment Brigade deployed to Bagram, Afghanistan in support of Operation Enduring Freedom.