Combat troops of the U.S. Army are classified by the weapons and methods used in combat: There were 5 types of divisions: infantry, mountain, armored, airborne, and cavalry. 91 divisions were mobilized during the war: 68 infantry divisions, 1 mountain division, 16 armored divisions, 5 airborne divisions, and 2 cavalry divisions.
Men enlisting for Regular Army tours of three or four years and requesting assignment to the 3rd Inf Div, were reception processed at various Army installations (Fort Ord, Cal., Fort Chaffee, Ark. and others) and then proceeded for Fort Benning for basic and advance training with the Division.
There were 20 Infantry Divisions, 10 Armored Divisions and 3 Airborne Divisions that received the Ardennes Credit. Click on a link to access the respective web site. 1st Infantry Division 2nd Infantry Division. 4th Infantry Division. 5th Infantry Division. 9th Infantry Division. 26th Infantry Division. 28th Infantry Division. 30th Infantry Division