Battle of Chosin Reservoir order of battle is a list of the significant units that fought in the Battle of Chosin Reservoir between November 27, 1950 and December 13, 1950.
See main article: X Corps (United States) and Edward Almond.
1st Marine Division – MajGen Oliver Prince Smith
Assistant Division Commander – BGen Edward A. Craig
Forward Command Post – Col. Gregon A. Williams, Chief of Staff [1]
Deputy Chief of Staff – Col. Edward W. Snedeker
Personnel Officer (G-1) – Harvey S. Walseth
Intelligence Officer (G-2) – Col. Bankson T. Holcomb Jr.
Operations Officer (G-3) – Col. Alpha L. Bowser
Logistics Officer (G-4) – Col. Francis M. McAlister
1st Military Police Company – Capt. John H. Griffin
1st Reconnaissance Company – Maj. Walter Gall
41 Commando Royal Marines (attached) – Maj. Dennis Aldridge, RM vice LCol. Douglas B. Drysdale, RM (WIA 29Nov50)
1st Marine Regiment (RCT-1) – Col. Lewis B. Puller
Antitank Company, 1st Marines – Capt. George E. Petro
4.2" Mortar Company, 1st Marines – Capt. Frank J. Faureck
H&S Company, 1st Marines – Capt. Frank P. Tatum
1st Battalion 1st Marines – LCol. Donald M. Schmuck
2nd Battalion 1st Marines – LCol. Allan Sutter
3rd Battalion 1st Marines – LCol. Thomas L. Ridge (Concurrent commander, Hagaru-ri Defense Force)
G Company, 3rd Bn, 1st Marines (attached, Task Force Drysdale) – Capt. Carl L. Sitter, MOH
5th Marine Regiment (RCT-5) – LCol. Raymond L. Murray
Antitank Company, 5th Marines – Capt. Rex O. Dillo
4.2" Mortar Company, 5th Marines – 1Lt. Robert M. Lucy
H&S Company, 5th Marines – Capt. Jack Hawthorn
1st Battalion 5th Marines – LCol. John W. Stevens II
2nd Battalion 5th Marines – LCol. Harold S. Roise
3rd Battalion 5th Marines – LCol. Robert D. Taplett
7th Marine Regiment (RCT-7) – Col. Homer L. Litzenberg
Antitank Company, 7th Marines – 1Lt. Earl R. Delong vice Maj. Walter T. Warren (WIA 8Dec50)
4.2" Mortar Company, 7th Marines – Maj. Rodney V. Reighard
H&S Company, 7th Marines – Maj Rodney V. Reighard (concurrent) vice Maj. Walter T. Warren (WIA 8Dec50)
1st Battalion 7th Marines – Maj. Webb D. Sawyer vice LCol. Raymond G. Davis, MOH (trnf 8Dec50)
2nd Battalion 7th Marines – LCol. Randolph S. D. Lockwood
3rd Battalion 7th Marines – Maj. Warren Morris vice LCol. William F. Harris (MIA 6Dec50)
11th Marine Regiment – Col. Carl A. Youngdale vice Col. James H. Brower (NBC 30Nov50)
Headquarters Battery, 11th Marines – 1Lt. William C. Patton
Service Battery, 11th Marines – 1Lt. Joseph M. Brent
C Battery, 4.5" Rocket Battalion, FMFPAC (attached) – 1Lt Eugene A. Bushe
1st Battalion 11th Marines (105mm) (detached to RCT-5) – LCol. Harvey A. Feehan
2nd Battalion 11th Marines (105mm) (detached to RCT-1) – LCol. Merritt Adelman
3rd Battalion 11th Marines (105mm) (detached to RCT-7) – LCol Francis F. Perry
4th Battalion 11th Marines (155mm) (one battery detached to each RCT) – Maj. William McReynolds
1st Motor Transport Battalion, 1st Marine Division – Lt. Col. Olin L. Beall
A Company, 7th Motor Transport Battalion, FMFPAC (attached) – Capt. Ira N. Hayes
Elements, 1st Tank Battalion, 1st Marine Division – LCol. Harry T. Milne
B Company, 1st Tank Battalion – Capt. Bruce F. Williams
D Company, 1st Tank Battalion (attached to Task Force Drysdale) – Capt. Bruce W. Clarke
1st Amphibian Tractor Battalion (less detachments) – LCol. Erwin F. Wann, Jr.
1st Engineer Battalion, 1st Marine Division (less detachments) – LCol. John H. Partridge
1st Medical Battalion, 1st Marine Division – Cdr. Howard A. Johnson, USN
1st Ordnance Battalion, 1st Marine Division (detachments to each RCT) – Maj. Lloyd O. Williams
1st Service Battalion, 1st Marine Division (detachments to each RCT) – LCol. Charles L. Banks
1st Shore Party Battalion, 1st Marine Division – LCol. Henry P. Crowe
1st Signal Battalion, 1st Marine Division (detachments to each RCT) – Maj. Robert L. Schreier
ROK 1st Marine Regiment
Marine Aircraft Group 33 – Col Frank C. Dailey [2]
VMO-6 – Maj Vincent J. Gottschalk
VMR-152 – LtCol Deane C. Roberts
VMF-212 – LtCol Richard W. Wyczawski
VMF-214 – Maj William M. Lundin
VMF-312 – LtCol Frank Cole
VMF-323 – Maj Arnold L. Lund
VMF(N)-513 – LtCol David C. Wolfe
VMF(AW)-542 – LtCol Max J. Volcansek
MTACS-2 – Maj Christian C. Lee
3rd Infantry Division – MG Robert Soule
7th Infantry Regiment – COL John S. Guthrie
1st Battalion – LTC Charles Heinrich
2nd Battalion – MAJ Samuel G. Kail
3rd Battalion – LTC Thomas O'Neill
10th Armored Field Artillery Battalion – LTC Walter A. Downing
15th Infantry Regiment – COL Dennis M. Moore
1st Battalion – LTC Robert Blanchard
2nd Battalion – LTC Allen Peck
3rd Battalion – LTC Edward Farrell
58th Armored Field Artillery Battalion – LTC Harry A. Stella
65th Infantry Regiment – COL William W. Harris
1st Battalion – LTC Howard St. Clair
2nd Battalion – LTC Herman Dammer
3rd Battalion – MAJ E.G. Allen
39th Armored Field Artillery Battalion – LTC Robert B. Neely
Company B, 10th Engineer Combat Battalion
Company D, 10th Engineer Combat Battalion
KATUSA - See Republic of Korea Forces below.
7th Infantry Division – MG David G. Barr,
Assistant Division Commander – BGEN Henry I. Hodes
7th Division Artillery
7th Division Artillery Hq Battery
31st Field Artillery Battalion
48th Field Artillery Battalion
49th Field Artillery Battalion
51st Field Artillery Battalion
17th Infantry Regiment – COL Herbert B. Powell
Headquarters Company, 17th Infantry Regiment
1st Battalion, 17th Infantry Regiment
31st Infantry Regiment – COL Allan D. MacLean
Regimental Combat Team 31 aka Task Force MacLean/Task Force Faith
Heavy Mortar Company, 31st Infantry Regiment
Medical Company, 31st Infantry Regiment
Tank Company, 31st Infantry Regiment – CPT Robert E. Drake
1st Battalion, 31st Infantry Regiment –
3rd Battalion, 31st Infantry Regiment – LTC William Reidy
1st Battalion, 32nd Infantry Regiment – LTC Don Faith (Attached to 31st RCT)
Battery D, 15th Antiaircraft Artillery Automatic Weapons Battalion
Batteries A and B, 57th Field Artillery Battalion
32nd Infantry Regiment – COL Charles M. Mount, Jr.
3rd Battalion, 32nd Infantry Regiment
KATUSA - See Republic of Korea Forces below.
41 Independent Commando Royal Marines – LTC Douglas B. Drysdale
Headquarters Troops
Company B, 1st Battalion, 31st Infantry Regiment, 7th Infantry Division, US
Company D, 1st Tank Battalion (USMC)
Company G, 1st Marine Regiment
(2 through 11 December 1950)[3] [4] [5]
BG Armistead D. Mead
Detachment Headquarters (HQ), 3d Infantry Division (United States) (and a detachment from the tactical command post)
3rd Battalion, 7th Infantry Regiment
92nd Armored Field Artillery Battalion (Self-propelled [SP] 155mm howitzers)
52nd Truck Transportation Battalion
Company A, 10th Engineer Combat Battalion
Company A, 73rd Engineer Combat Battalion
3rd Platoon, 3rd Reconnaissance Company
HQ Detachment, 3d Antiaircraft Artillery (AAA), Automatic Weapons (AW) Battalion (SP)
Detachment, 3rd Division Ordnance Bomb Disposal Unit
Detachment, 3rd Signal Company
Detachment, Tactical Air Control Party
Company G, 65th RCT General Support
999th Field Artillery Battalion, General Support Reinforcing (GSR)
See main article: Pacific Air Forces and George Stratemeyer.
Fifth Air Force – MG Earle Partridge
374th Troop Carrier Wing – BG John Henebry
41 Independent Commando Royal Marines – LTC Douglas B. Drysdale
ROK I Corps – MG Kim Pac-iI
ROK 3rd Division – BG Rhee Chong-chan
ROK Capital Division – BG Song Yo-chan
Student Volunteer Force of Koreans In Japan[7]
20th Corps – Commander and Commissar Zhang Yixiang(张翼翔), Deputy Commander Liao Zhengguo(廖政国)
58th Division – Commander and Commissar Huang Chaotian(黄朝天)
172nd Regiment[8]
173rd Regiment
174th Regiment
59th Division – Commander and Commissar Dai Kelin(戴克林)
175th Regiment
176th Regiment
177th Regiment
60th Division – Commander Chen Ting(陈挺)
178th Regiment
179th Regiment
180th Regiment
89th Division (Attached to 20th Corps from 30th Corps) – Commander Yu Guangmao(余光茂)
265th Regiment
266th Regiment
270th Regiment
26th Corps – Commander Zhang Renchu(张仁初), Commissar Li Yaowen
76th Division – Commander Gao Wenran(高文然)
226th Regiment
227th Regiment
228th Regiment
77th Division – Commander Wang Jianqing(王建青)
229th Regiment
230th Regiment
231st Regiment
78th Division[9] – Commander Chen Zhongmei(陈忠梅)
232nd Regiment
233rd Regiment
234th Regiment
88th Division[9] (Attached to 26th Corps from 30th Corps) – Commander Wu Dalin(吴大林)
262nd Regiment
263rd Regiment
264th Regiment
27th Corps – Commander Peng Deqing(彭德清), Commissar Liu Haotian(刘浩天)
79th Division – Commander Xiao Jinghai(肖镜海)
235th Regiment
236th Regiment
237th Regiment
80th Division – Commander Zhan Danan(詹大南)
238th Regiment
239th Regiment
240th Regiment
81st Division – Commander Sun Duanfu(孙端夫)
241st Regiment
242nd Regiment
243rd regiment
94th Division[10] (Attached to 27th Corps from 30th Corps) – Commander Wu Lanting(邬兰亭)
280th Regiment
281st Regiment
182nd Regiment