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Eighth Army (United States)

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(Redirected from 8th Army (United States)) Only Field Army of the U.S. Army stationed in South Korea

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Eighth Army
Eighth Army Shoulder Sleeve Insignia
Active10 June 1944 – present
(80 years, 6 months)
Country United States of America
Branch United States Army
TypeField army
RoleHeadquarters
Part of USARPAC
Garrison/HQ Camp Humphreys
Motto(s)Pacific Victors
Colors   White and red
CampaignsWorld War II Korean War
Website8tharmy.korea.army.mil/site/
Commanders
Commanding General Chief of Staff, Combined Forces CommandLTG Christopher LaNeve
Notable
commanders		LTG Robert Eichelberger
LTG Walton H. Walker
LTG Matthew Ridgway
LTG James Van Fleet
LTG Maxwell D. Taylor
Insignia
Distinctive insignia
Flag
NATO Map Symbol
(1997)
Military unit

The Eighth Army is a U.S. field army which commands all United States Army forces in South Korea. It is headquartered at the Camp Humphreys in the Anjeong-ri of Pyeongtaek, South Korea. Eighth Army relocated its headquarters from Yongsan to Camp Humphreys in the summer of 2017. It is the only field army in the U.S. Army. It is responsible to United States Forces Korea and United States Army, Pacific.

History

World War II

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The unit first activated on 10 June 1944 in the United States, under the command of Lieutenant General Robert L. Eichelberger. The Eighth Army took part in many of the amphibious landings in the Southwest Pacific Theater of World War II, eventually participating in no less than sixty of them. The first mission of the Eighth Army, in September 1944, was to take over from the U.S. Sixth Army in New Guinea, New Britain, the Admiralty Islands and on Morotai, in order to free up the Sixth Army to engage in the Philippines Campaign (1944–45).

The Eighth Army again followed in the wake of the Sixth Army in December 1944, when it took over control of operations on Leyte Island on 26 December. In January, the Eighth Army entered combat on Luzon, landing the XI Corps on 29 January near San Antonio and the 11th Airborne Division on the other side of Manila Bay two days later. Combining with I Corps and XIV Corps of Sixth Army, the forces of Eighth Army next enveloped Manila in a great double-pincer movement. Eighth Army's final operation of the Pacific War was that of clearing out the southern Philippines of the Japanese Army, including on the major island of Mindanao, an effort that occupied the soldiers of the Eighth Army for the rest of the war.

Occupation of Japan

Eighth Army was to have participated in Operation Downfall, the invasion of Japan. It would have taken part in Operation Coronet, the second phase of the invasion, which would have seen the invasion of the Kantō Plain on eastern Honshū. However, the Japanese surrender cancelled the invasion, and the Eighth Army found itself in charge of a peaceful occupation. Occupation forces landed on 30 August 1945, with its headquarters in Yokohama, then the HQ moved to the Dai-Ichi building in Tokyo. At the beginning of 1946, Eighth Army assumed responsibility for occupying all of Japan. Four quiet years then followed, during which the Eighth Army gradually transitioned from a combat-ready fighting force into a constabulary. Lieutenant General Walton H. Walker took command in September 1948, and he tried to re-invigorate the Army's training, with mixed success.

Korean War

Main article: Korean War
Fighting with the 2nd Inf. Div. north of the Chongchon River, SFC Major Cleveland, weapons squad leader, points out Communist-led North Korean position to his machine gun crew, 20 November 1950, PFC James Cox.

The peace of occupied Japan was shattered in June 1950 when 75,000 North Korean troops with Russian made tanks invaded South Korea, igniting the Korean War. U.S. naval and air forces quickly became involved in combat operations, and it was soon clear that U.S. ground forces would have to be committed. To stem the North Korean advance, the occupation forces in Japan were thus shipped off to South Korea as quickly as possible, but their lack of training and equipment was telling, as some of the initial U.S. units were destroyed by the North Koreans. However, the stage was eventually reached as enough units of Eighth Army arrived in Korea to make a firm front. The North Koreans threw themselves against that front, the Pusan Perimeter, and failed to break it.

Eighth Army arrived in July 1950 and never left. —Lt. Gen. Thomas S. Vandal, CG, Eighth Army, 29 August 2017

In the meantime, Eighth Army had reorganized, since it had too many divisions under its command for it to exercise effective control directly. The I Corps and the IX Corps were reactivated in the United States and then shipped to Korea to assume command of Eighth Army's subordinate divisions.

The stalemate was broken by the Inchon landings of the X Corps (tenth corps, consisting of soldiers and Marines). The North Korean forces, when confronted with this threat to their rear areas, combined with a breakout operation at Pusan, broke away and hastily retired north.

Lt. Gen. Walton Walker, Commander of 8th Army (left) confers with Maj. Gen. William F. Dean, Commander Ground Forces in Korea, on 7 July 1950

Both South and North Korea were almost entirely occupied by United Nations forces. However, once U.S. units neared the Yalu River and the frontier between North Korea and China, the Chinese intervened and drastically changed the character of the war. Eighth Army was decisively defeated at the Battle of the Chongchon River and forced to retreat all the way back to South Korea. The defeat of the U.S. Eighth Army resulted in the longest retreat of any U.S. military unit in history. General Walker was killed in a jeep accident on 23 December 1950, and replaced by Lieutenant General Matthew Ridgway. The overstretched Eighth Army suffered heavily with the Chinese offensive, who were able to benefit from shorter lines of communication and with rather casually deployed enemy forces. The Chinese broke through the U.S. defenses despite U.S. air supremacy and the Eighth Army and U.N. forces retreated hastily to avoid encirclement. The Chinese offensive continued pressing U.S. forces, which lost Seoul, the South Korean capital. Eighth Army's morale and esprit de corps hit rock bottom, to where it was widely regarded as a broken, defeated rabble.

General Ridgway forcefully restored Eighth Army to combat effectiveness over several months. Eighth Army slowed and ultimately halted the Chinese advance at the battles of Chipyong-ni and Wonju. It then counter-attacked the Chinese, re-took Seoul, and drove to the 38th parallel, where the front stabilized.

When General Ridgway replaced General of the Army Douglas MacArthur as the overall U.N. commander, Lieutenant General James Van Fleet assumed command of Eighth Army. After the war of movement during the first stages, the fighting in Korea settled down to a war of attrition. Ceasefire negotiations were begun at the village of Panmunjom in the summer of 1951, and they dragged on for two years. During the final combat operation of the war, Lieutenant General Maxwell D. Taylor (promoted to general 23 June 1953) commanded the Eighth Army. When the Military Demarcation Line was finally agreed to by the Korean Armistice Agreement, South Korea and North Korea continued on as separate states.

Guarding Korea

Eighth United States Army memorial at Yongsan

During the aftermath of the Korean War, the Eighth Army remained in South Korea. By the 1960s, I Corps, consisting of the 7th Infantry Division and the 2nd Infantry Division, remained as part of the Eighth Army. Then, in 1971, the 7th Infantry Division was withdrawn, along with the command units of I Corps, which were moved across the Pacific Ocean to Fort Lewis, Washington. Later, in March 1977, a memo from President Jimmy Carter said "...American forces will be withdrawn. Air cover will be continued." Bureaucratic resistance from the Executive Branch, with support in Congress, eventually saw the proposal watered down. Eventually one combat battalion and about 2,600 non-combat troops were withdrawn.

This left the 2nd Infantry Division at the Korean Demilitarized Zone to assist the South Korean Army. Besides forming a trip-wire against another North Korean invasion, the 2nd Infantry Division remained there as the only Army unit in South Korea armed with tactical nuclear weapons. (Otherwise, there is only the U.S. Air Force in South Korea and on Okinawa.) All nuclear weapons were taken from the Army to be under Air Force control. Later, in 1991, all U.S. nuclear weapons were removed from South Korea.

Structure 1989

Organisation of Eighth Army in 1989 (click to enlarge)

At the end of the Cold War Eighth Army consisted of the following units:

  • Eighth Army, Yongsan Garrison, South Korea
    • Headquarters & Headquarters Company
    • 2nd Infantry Division, Camp Casey
    • 17th Aviation Brigade, Camp Coiner
      • Headquarters & Headquarters Company
      • 4th Battalion, 58th Aviation (Air Traffic Control), Camp Coiner
      • 1st Battalion, 501st Aviation (Assault), Camp Coiner (UH-60A Black Hawk helicopters)
      • 2nd Battalion, 501st Aviation (Medium Lift), Camp Coiner (CH-47D Chinook helicopters)
      • 4th Battalion, 501st Aviation (Attack), Camp Page (AH-1F Cobra & OH-58C Kiowa helicopters)
      • 5th Battalion, 501st Aviation (Attack), Camp Coiner (AH-1F Cobra & OH-58C Kiowa helicopters)
    • 1st Signal Brigade, Camp Humphreys
      • Headquarters & Headquarters Company
      • 36th Signal Battalion
      • 41st Signal Battalion
      • 304th Signal Battalion, Camp Colbern
      • 307th Signal Battalion
      • 257th Signal Company, Camp Humphreys
    • 8th Military Police Brigade (Provisional), Camp Coiner
    • 501st Military Intelligence Brigade (Provisional), Yongsan Garrison
      • Headquarters & Headquarters Detachment
      • 3rd Military Intelligence Battalion (Aerial Exploitation), Camp Humphreys
      • 524th Military Intelligence Battalion (Human Intelligence)
      • 532nd Military Intelligence Battalion (Intelligence & Electronic Warfare)
      • 751st Military Intelligence Battalion (Counterintelligence), Camp Humphreys
    • 18th Medical Command, Seoul (the following peacetime listing is incomplete)
      • Headquarters and Headquarters Detachment
      • 52nd Medical Battalion
      • 121st Combat Support Hospital, Camp Humphreys
    • 19th Support Command, Daegu (the following peacetime listing is incomplete)
      • Headquarters and Headquarters Company
      • Special Troops Battalion
      • 20th Area Support Group, Camp Henry
        • Headquarters and Headquarters Company
      • 23rd Area Support Group, Camp Humphreys
        • Headquarters and Headquarters Company
        • 194th Maintenance Battalion
        • 227th Maintenance Battalion
        • Company A, 3rd Battalion 501st Aviation (Aviation Intermediate Maintenance), Camp Humphreys
        • Company A, 3rd Battalion, 501st Aviation (Aviation Intermediate Maintenance), Camp Humphreys
      • 25th Transportation Center (Movement Control), Yongsan Garrison
      • 34th Area Support Group, Seoul
        • Headquarters and Headquarters Company
      • 501st Corps Support Group, Camp Red Cloud
        • Headquarters and Headquarters Company
    • 8th Personnel Command
      • 516th Personnel Service Company
    • 175th Finance Center
      • 176th Finance Support Unit
      • 177th Finance Support Unit
    • 23rd Chemical Battalion
    • 44th Engineer Battalion (Combat) (Heavy), Camp Mercer
    • 8th Army Band

Recent times

In 2003, plans were announced to move the 2nd Infantry Division southward. The division, with 15 bases north of the Han River and just south of the DMZ, was to be the most important formation to be moved south of the Han River in two phases "over the next few years" a joint statement between the South Korean and U.S. governments said on June 5, 2003. As of 2015, it appears that one brigade of the 2nd Infantry Division will remain at Camp Casey, near Dongducheon.

The headquarters of the Eighth Army was Yongsan Garrison, but moved southward to Camp Humphreys by 2019. In April 2017 the Eighth Army headquarters began its move from Yongsan to Camp Humphreys and held a ceremony to relocate a statue of General Walton Walker.

Organization

Eighth Army organization 2023 (click to enlarge)

Other army units based in South Korea:

Specific units

8th Army Band

Soldiers of the 8th Army Band at a parade in downtown Seoul

The 8th Army Band is the official musical unit of the HQ 8th Army and supports United States Forces Korea and the United Nations Command. The 41-member band was founded in 1916 as the Band of the 35th Infantry Regiment. During World War II, the band, then known as the 25th Infantry Division Band based out of Hawaii, served in the Pacific Theater, being a participant in Central Pacific and Guadalcanal campaigns. It was reorganized in November 1950 and reassigned to the newly formed ROK, the same year the Korean War began. Awards and honors the band has received include the Meritorious Unit Commendation and two Republic of Korea Presidential Unit Citations. Nicknamed Freedom's Ambassadors due to its area of responsibility, it has performed at events such as the Wonju Tattoo, the Gangwon International Tattoo as well as Korean War memorial ceremonies in the country. In June, 2015, members of the 8th Army Band celebrated its 99th anniversary in Mongolia with a concert on Sükhbaatar Square.

Korean Service Corps

The Korean Service Corps was a reserve force composed of South Korean volunteers who were augmented to the 8th Army. They provided labourers who were used to carry ammunition and supplies, and support the overall logistic elements of the army. It is today, a paramilitary civilian formation that is battalion-sized. Continuing is role as a combat service support unit, it is capable of being expanded and mobilized during a wartime situation.

List of commanders

No. Commander Term
Portrait Name Took office Left office Term length
1 Robert L. EichelbergerLieutenant General
Robert L. Eichelberger
(1886–1961)		1 June 19444 August 19484 years, 64 days
2 Walton WalkerLieutenant General
Walton Walker
(1889–1950)		4 August 194823 December 19502 years, 141 days
3 Matthew RidgwayLieutenant General
Matthew Ridgway
(1895–1993)		25 December 195012 April 1951108 days
4 James Van FleetGeneral
James Van Fleet
(1892–1992)		14 April 195111 February 19531 year, 303 days
5 Maxwell D. TaylorGeneral
Maxwell D. Taylor
(1901–1987)		11 February 195325 March 19552 years, 42 days
6 Lyman LemnitzerGeneral
Lyman Lemnitzer
(1899–1988)		25 March 19555 June 195572 days
7 Isaac D. WhiteGeneral
Isaac D. White
(1901–1990)		25 June 19551 July 19572 years, 6 days
8 George DeckerGeneral
George Decker
(1902–1980)		1 July 195730 June 19591 year, 364 days
9 Carter B. MagruderGeneral
Carter B. Magruder
(1900–1988)		1 July 195930 June 19611 year, 364 days
10 Guy S. MeloyGeneral
Guy S. Meloy
(1903–1968)		1 July 196131 July 19632 years, 30 days
11 Hamilton H. HowzeGeneral
Hamilton H. Howze
(1908–1998)		1 August 196315 June 19651 year, 318 days
12 Dwight E. BeachGeneral
Dwight E. Beach
(1908–2000)		16 June 196531 August 19661 year, 76 days
13 Charles H. Bonesteel IIIGeneral
Charles H. Bonesteel III
(1909–1977)		1 September 196630 September 19693 years, 29 days
14 John H. MichaelisGeneral
John H. Michaelis
(1912–1985)		1 October 196931 August 19722 years, 335 days
15 Donald V. BennettGeneral
Donald V. Bennett
(1915–2005)		1 September 197231 July 1973333 days
16 Richard G. StilwellGeneral
Richard G. Stilwell
(1917–1991)		1 August 19738 October 19763 years, 68 days
17 John W. Vessey Jr.General
John W. Vessey Jr.
(1922–2016)		8 October 197610 July 19792 years, 275 days
18 John A. Wickham Jr.General
John A. Wickham Jr.
(1928–2024)		10 July 19794 June 19822 years, 329 days
19 Robert W. SennewaldGeneral
Robert W. Sennewald
(1929–2023)		4 June 19821 June 19841 year, 363 days
20 William J. LivseyGeneral
William J. Livsey
(1931–2016)		1 June 198425 June 19873 years, 24 days
21 Louis C. Menetrey Jr.General
Louis C. Menetrey Jr.
(1929–2009)		25 June 198726 June 19903 years, 1 day
22 Robert W. RisCassiGeneral
Robert W. RisCassi
(born 1936)		26 June 19901 December 19922 years, 158 days
23 William W. CrouchLieutenant General
William W. Crouch
(born 1941)		1 December 199218 October 19941 year, 321 days
24 Richard F. TimmonsLieutenant General
Richard F. Timmons
(born 1942)		19 October 199431 July 19972 years, 285 days
25 Randolph W. HouseLieutenant General
Randolph W. House
(born 1949)		1 August 199725 September 19981 year, 55 days
26 Daniel J. PetroskyLieutenant General
Daniel J. Petrosky
(born 1944)		25 September 199828 September 20002 years, 3 days
27 Daniel R. ZaniniLieutenant General
Daniel R. Zanini
(born 1946)		28 September 20006 November 20022 years, 39 days
28 Charles C. CampbellLieutenant General
Charles C. Campbell
(1948–2016)		6 November 200210 April 20063 years, 155 days
29 David P. ValcourtLieutenant General
David P. Valcourt
(born 1951)		11 April 200617 February 20081 year, 312 days
30 Joseph F. Fil Jr.Lieutenant General
Joseph F. Fil Jr.
(born 1953)		18 February 200819 November 20102 years, 274 days
31 John D. JohnsonLieutenant General
John D. Johnson
(born 1952)		9 November 201026 June 20132 years, 229 days
32 Bernard S. ChampouxLieutenant General
Bernard S. Champoux
(born 1954)		27 June 20132 February 20162 years, 220 days
33 Thomas S. VandalLieutenant General
Thomas S. Vandal
(1960–2018)		2 February 20165 January 20181 year, 337 days
34 Michael A. BillsLieutenant General
Michael A. Bills
(born 1958)		5 January 20182 October 20202 years, 271 days
35 Willard BurlesonLieutenant General
Willard Burleson
(born 1965)		2 October 20205 April 20243 years, 186 days
36 Christopher LaNeveLieutenant General
Christopher LaNeve		5 April 2024Incumbent261 days

References

  1. "Enter the Dragon: Eighth Army unveils new emblem" (15 April 2013)
  2. ^ Yongsan garrison move pushed back to 2019 Archived 30 June 2013 at the Wayback Machine
  3. Eighth Army (12 February 2023). "History".
  4. THEATER ARMY, CORPS, AND DIVISION OPERATIONS FM 3-94. United States Army. 2014. pp. 1–2.
  5. MacArthur, Douglas (1966). Reports of General MacArthur: The Campaigns of MacArthur in the Pacific. Vol. I. Washington, DC: Center of Military History, United States Army. p. 423.
  6. Reports of General MacArthur, p. 423.
  7. Reports of General MacArthur, p. 450.
  8. ^ "Chronology of the Occupation: GHQ AFPAC; 15 August 1945 to 31 March 1946 Only". history.army.mil. Center of Military History, U.S. Army. Retrieved 13 February 2024.
  9. United States Secretary of the Army (1949). Annual Report of the Secretary of the Army: 1948. Washington, DC: U.S. Government Printing Office. p. 65 – via Google Books.
  10. Annual Report of the Secretary of the Army: 1948, p. 65.
  11. National Archives, US Enters the Korean Conflict
  12. History Vault Korean War
  13. The National Defense Committee visits Eighth Army Headquarters (29 August 2017)
  14. Don Oberdorfter, The Two Koreas: A Contemporary History, Addison-Wesley, 1997, p. 86.
  15. Oberdorfer, The Two Koreas, 1997, 86-94.
  16. Oberdorfer, Don (19 October 1991). "U.S. DECIDES TO WITHDRAW A-WEAPONS FROM S. KOREA". Washington Post. ISSN 0190-8286. Retrieved 20 March 2022.
  17. ^ Army - The Magazine of Landpower - January 1989 (1989). "Command and Staff". Association of the US Army. Retrieved 28 June 2020.{{cite web}}: CS1 maint: numeric names: authors list (link)
  18. "17th Aviation Brigade Lineage". US Army Center of Military History. Retrieved 28 June 2020.
  19. ^ Colonel Johnnie L. Sheperd (1993). "Bring your Career to Korea!". US Army Aviation Digest - July / August 1993. Retrieved 28 June 2020.
  20. "1st Battalion, 501st Aviation Lineage". US Army Center of Military History. Retrieved 28 June 2020.
  21. "2nd Battalion, 501st Aviation Lineage". US Army Center of Military History. Retrieved 28 June 2020.
  22. ^ Raines, Rebecca Robbins. "Signal Corps" (PDF). US Army Center of Military History. Retrieved 28 June 2020.
  23. "36th Signal Battalion Lineage". US Army Center of Military History. Retrieved 28 June 2020.
  24. "41st Signal Battalion Lineage". US Army Center of Military History. Retrieved 28 June 2020.
  25. "304th Signal Battalion Lineage". US Army Center of Military History. Retrieved 28 June 2020.
  26. "307th Signal Battalion Lineage". US Army Center of Military History. Retrieved 28 June 2020.
  27. "94th Military Police Battalion Lineage". US Army Center of Military History. Retrieved 28 June 2020.
  28. "728th Military Police Battalion Lineage". US Army Center of Military History. Retrieved 28 June 2020.
  29. "501st Military Intelligence Brigade Lineage". US Army Center of Military History. Retrieved 28 June 2020.
  30. "524th Military Intelligence Battalion Lineage". US Army Center of Military History. Retrieved 28 June 2020.
  31. "532nd Military Intelligence Battalion Lineage". US Army Center of Military History. Retrieved 28 June 2020.
  32. ^ "3rd Battalion, 501st Aviation Lineage". US Army Center of Military History. Retrieved 28 June 2020.
  33. "21st Transportation Company Lineage". US Army Center of Military History. Retrieved 28 June 2020.
  34. "8th Personnel Center Lineage". US Army Center of Military History. Retrieved 28 June 2020.
  35. "516th Personnel Service Battalion Lineage". US Army Center of Military History. Retrieved 28 June 2020.
  36. "175th Financial Management Support Center Lineage". US Army Center of Military History. Retrieved 28 June 2020.
  37. "176th Finance Company Lineage". US Army Center of Military History. Retrieved 28 June 2020.
  38. "177th Finance Battalion Lineage". US Army Center of Military History. Retrieved 28 June 2020.
  39. "23rd Chemical Battalion Lineage". US Army Center of Military History. Retrieved 28 June 2020.
  40. Putnam, Bill (9 June 2003). "U.S. Forces Korea to start major realignment next year" (PDF). See page 9.
  41. "8th U.S. Army Starts Moving Out of Seoul". The Chosun Ilbo. 26 April 2017. Retrieved 27 April 2017.
  42. ^ Eighth Army 2023b.
  43. "The conventional military balance on the Korean peninsula" (PDF document) p.55
  44. "Team". 19th Expeditionary Sustainment Command. Retrieved 19 April 2021.
  45. "403rd Army Field Support Brigade (AFSB)". Army Sustainment Command. Retrieved 19 April 2021.
  46. "Soldier Support Journal". 1982.
  47. "EIGHTH ARMY BAND - History".
  48. "Eighth Army Band - Eighth Army | The United States Army". 8tharmy.korea.army.mil. Retrieved 28 August 2022.
  49. "8th Army band readies for Wonju festival".
  50. "EIGHTH ARMY BAND - News".
  51. "U.S. 8th Army Band's Ensemble Group, Alliance Brass Celebrates 99th Birthday in Mongolia". 30 June 2015.

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