645th Regional Support Group

645th Regional Support Group is a United States Army Reserve unit which controls a Combat Sustainment Support Battalion within Michigan.

645th Regional Support Group
Active	1999-present
Country	United States
Branch	United States Army Reserve
Size	Brigade
Part of	103rd Sustainment Command (Expeditionary)
Garrison/HQ	Southfield, Michigan
Insignia
645TH REGIONAL SUPPORT GROUP DUI

Units

The brigade is made up of the following units:^[1]

• 645th Regional Support Group
  • 645th Headquarters and Headquarters Detachment
  • 13th Quartermaster Detachment (Petroleum Liaison Detachment)
  • 406th Combat Sustainment Support Battalion
    • 406th Headquarters and Headquarters Company
    • 180th Transportation Company (Medium Truck)(Cargo)
    • 182nd Transportation Company (Medium Truck)
    • 301st Quartermaster Company (Water Purification & Distribution)
    • 401st Transportation Company (Medium Truck)
    • 431st Quartermaster Company (Petroleum Pipeline and Terminal Operations)
    • 858th Movement Control Team
    • 919th Transportation Company (Cargo Transfer)
    • 952nd Quartermaster Company (Petroleum Pipeline and Terminal Operations)