•
31 December 1998: Constituted in the
Army Reserve as Headquarters and Headquarters Company, 653rd Support Group. This marked the official creation of the unit on paper. •
16 April 1999: Activated at
March Air Reserve Base, California. This marked the unit’s physical establishment and beginning of personnel, training, and readiness development. •
17 May 2004 – 16 May 2006: Ordered into active military service in support of
Operation Iraqi Freedom. The unit provided support functions during this period and then reverted to reserve status. •
16 September 2006: The group was redesignated as the 653rd Regional Support Group •
16 July 2007: Relocated to
Mesa, Arizona, establishing a new long-term headquarters location. •
25 October 2009 – 28 November 2010: The unit deployed to Camp Arifjan, Kuwait, supporting sustainment operations throughout the U.S. Central Command area of responsibility, then reverted to reserve status. •
18 March 2019 – 16 March 2020: Ordered into active military service in support of Operation Enduring Freedom. The unit served as a CONUS Support Base Headquarters at
Fort Bliss, Texas, and then reverted to reserve status. •
1 August 2025 – present: Ordered into active military service and currently operating as a CONUS Support Base at
Fort Bliss, Texas. ==Insignia==