124th Cavalry Association (Marsmen) - Preserves the history of the Regiment and is open to current and former members. 3rd Armored Division Association Archives - Archives at the University of Illinois are a valuable resource for research, especially studies involving the actions of the Third Armored Division and the First Army. 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. 64th Armored Regiment - History, staff, newcomer information and photo album. 1st Armored Division (Old Ironsides) - History, command group, subordinate units and division news. 3rd Armored Cavalry Regiment - History of the regiment, newsletter, contact information, photos, and newcomer information.