3rd Armored Cavalry Regiment
- History of the regiment, newsletter, contact information, photos, and newcomer information.
- http://www.carson.army.mil/UNITS/3dacr/

278th Armored Cavalry Regiment
- Informational site, including recruiting, contact and military links.
- http://www.278acr.com/

124th Cavalry Association (Marsmen)
- Preserves the history of the Regiment and is open to current and former members.
- http://www.marsmen.org

69th Armored Regiment
- A brief history of the unit.
- http://www.rjsmith.com/my_unit.html

3rd Brigade, 1st Armored Division
- The 3rd Brigade Combat Team deploys with or without equipment, builds combat power, conducts military operations in support of the 1st Armored Division or other headquarters and redeploys. History, mission and subordinate units.
- http://www.riley.army.mil/Units/3rdBde1AD/

1st Armored Division (Old Ironsides)
- History, command group, subordinate units and division news.
- http://www.1ad.army.mil

U.S. Army 2nd Armored Division
- History, reunion information, and news of the "Hell On Wheels" Division.
- http://www.2ndarmoredhellonwheels.com/