J. Lawton Collins as a full general
Major General J. Lawton Collins
♦ Units that absorbed the initial German assault 16 Dec
2nd Armored ("Hell on Wheels") Division
Major General Ernest N. Harmon
41st Armored Infantry Regiment
66th and 67th Armored Regiments
14th , 78th , and 92nd Armored FA Battalions
17th Armored Engineer Battalion
82nd Armored Reconnaissance Battalion
702nd TD Battalion
195th AAA AW Battalion
elements of 738th Tank Battalion (special - mine clearing) attached
3rd Armored ("Spearhead") Division
Major General Maurice Rose
36th Armored Infantry Regiment
32nd and 33rd Armored Regiments
54th, 67th, and 391st Armored FA Battalions
23rd Armored Engineer Battalion
83rd Recon Squadron
643rd and 703rd TD Battalions
486th AAA AW Battalion
XVIII Airborne Corps [ edit ]
Maj. Gen. Matthew B. Ridgway as a lieutenant general
Major General Matthew B. Ridgway [ a]
♦ Units that absorbed the initial German assault 16 Dec
7th Armored ("Lucky Seventh") Division
Brigadier General Robert W. Hasbrouck
Combat Commands A, B, and R
23rd, 38th, and 48th Armored Infantry Battalions
17th, 31st, and 40th Tank Battalions
434th, 440th, and 489th Armored FA Battalions
33rd Armored Engineer Battalion
87th Recon Squadron
814th TD Battalion
203rd AAA AW Battalion
820th TD Battalion (attached 25–30 December)
Lt. Gen. George S. Patton
Lieutenant General George S. Patton
109th, 115th, 217th, and 777th AA Gun Battalions
456th, 465th, 550th, and 565th AAA AW Battalions
280th ECB - Engineer Combat Battalion - Non Divisional Unit (later assigned to the 9th Army )
Major General John Millikin
4th Armored Division
Major General Hugh J. Gaffey
Combat Commands A, B , and R
8th, 35th , and 37th Tank Battalions [ b]
10th, 51st, and 53rd Armored Infantry Battalions
22nd , 66th, and 94th Armored FA Battalions
24th Armored Engineer Battalion
25th Cavalry Recon Squadron
489th AAA AW Battalion
704th TD Battalion
6th Armored ("Super Sixth") Division
Major General Robert W. Grow
Combat Commands A, B, and R
15th, 68th and 69th Tank Battalions
9th, 44th, and 50th Armored Infantry Battalions
128th, 212th, and 231st Armored FA Battalions
25th Armored Engineer Battalion
86th Cavalry Recon Squadron
691st TD Battalion
777th AAA AW Battalion
Maj. Gen. Troy H. Middleton during the Ardennes Counteroffensive
Major General Troy H. Middleton
♦ Units that absorbed the initial German assault 16 Dec
9th Armored ("Phantom") Division
Major General John W. Leonard
Combat Commands A♦, B♦, and R♦
27th, 52nd, and 60th Armored Infantry Battalions
2nd, 14th, and 19th Tank Battalions
3rd, 16th , and 73rd Armored FA Battalions
9th Armored Engineer Battalion
89th Cavalry Squadron
811th TD Battalion
482nd AAA AW Battalion
11th Armored ("Thunderbolt") Division
Brigadier General Charles S. Kilburn
Combat Commands A, B, and R
21st, 55th, and 63rd Armored Infantry Battalions
22nd, 41st, and 42nd Tank Battalions
490th, 491st, and 492nd Armored FA Battalions
56th Armored Engineer Battalion
602nd TD Battalion
41st Cavalry Squadron
575th AAA AW Battalion
Maj. Gen. Manton S. Eddy
Major General Manton S. Eddy
♦ Units that absorbed the initial German assault 16 Dec
10th Armored ("Tiger") Division
Major General William H. H. Morris Jr.
Combat Commands A, B, and R
20th, 54th, and 61st Armored Infantry Battalions
3rd, 11th, and 21st Tank Battalions
419th, 420th, and 423rd Armored FA Battalions
609th TD Battalion
55th Armored Engineer Battalion
90th Cavalry Recon Squadron
796th AAA AW Battalion