The United States Army Pacific (USARPAC) is an
Army Service Component Command
Army Service Component Commands (ASCCs) are U.S. Army commands responsible for recommendations to the Joint Force Commander on the allocation and employment of U.S. Army forces within a combatant command or further assigned to subordinate unified c ...
(ASCC) designated by the
Secretary of the Army (SECARMY); it may also serve as a Joint Task Force headquarters. It is the army component unit of the
United States Indo-Pacific Command
United States Indo-Pacific Command (USINDOPACOM) is a unified combatant command of the United States Armed Forces responsible for the Indo-Pacific region.
Formerly known as United States Pacific Command (USPACOM) since its inception in 1947, t ...
, and its mission is to support the Commander, United States Indo-Pacific Command. The main areas that this command has jurisdiction in include
Alaska
Alaska ( ; russian: Аляска, Alyaska; ale, Alax̂sxax̂; ; ems, Alas'kaaq; Yup'ik: ''Alaskaq''; tli, Anáaski) is a state located in the Western United States on the northwest extremity of North America. A semi-exclave of the U.S ...
,
Hawaii
Hawaii ( ; haw, Hawaii or ) is a state in the Western United States, located in the Pacific Ocean about from the U.S. mainland. It is the only U.S. state outside North America, the only state that is an archipelago, and the only ...
, the
Pacific Ocean
The Pacific Ocean is the largest and deepest of Earth's five oceanic divisions. It extends from the Arctic Ocean in the north to the Southern Ocean (or, depending on definition, to Antarctica) in the south, and is bounded by the contine ...
,
Japan, and
South Korea
South Korea, officially the Republic of Korea (ROK), is a country in East Asia, constituting the southern part of the Korea, Korean Peninsula and sharing a Korean Demilitarized Zone, land border with North Korea. Its western border is formed ...
. It also performs missions in Southeast Asia, in the countries stretching from the
Philippines
The Philippines (; fil, Pilipinas, links=no), officially the Republic of the Philippines ( fil, Republika ng Pilipinas, links=no),
* bik, Republika kan Filipinas
* ceb, Republika sa Pilipinas
* cbk, República de Filipinas
* hil, Republ ...
all the way to
Bangladesh
Bangladesh (}, ), officially the People's Republic of Bangladesh, is a country in South Asia. It is the List of countries and dependencies by population, eighth-most populous country in the world, with a population exceeding 165 million pe ...
and
India
India, officially the Republic of India ( Hindi: ), is a country in South Asia. It is the seventh-largest country by area, the second-most populous country, and the most populous democracy in the world. Bounded by the Indian Ocean on the ...
. United States Forces Korea (USFK) has had operational command and control of US Forces in Korea since January 2012, and USARPAC headquarters oversees the manning, training, and equipping of US Army forces assigned to USFK.
However, subordinate units of this command sometimes perform
humanitarian
Humanitarianism is an active belief in the value of human life, whereby humans practice benevolent treatment and provide assistance to other humans to reduce suffering and improve the conditions of humanity for moral, altruistic, and emotiona ...
missions in places such as
Haiti
Haiti (; ht, Ayiti ; French: ), officially the Republic of Haiti (); ) and formerly known as Hayti, is a country located on the island of Hispaniola in the Greater Antilles archipelago of the Caribbean Sea, east of Cuba and Jamaica, and ...
,
Cuba
Cuba ( , ), officially the Republic of Cuba ( es, República de Cuba, links=no ), is an island country comprising the island of Cuba, as well as Isla de la Juventud and several minor archipelagos. Cuba is located where the northern Caribbea ...
, and the
Middle East
The Middle East ( ar, الشرق الأوسط, ISO 233: ) is a geopolitical region commonly encompassing Arabia (including the Arabian Peninsula and Bahrain), Asia Minor (Asian part of Turkey except Hatay Province), East Thrace (Europ ...
.
History
USARPAC traces its lineage back to 1898 when the United States became a major power in the Pacific. In 1921 Fort Shafter became the headquarters for the Hawaiian Department. When the United States entered World War II, the Hawaiian Department became subordinate to the Commander-in-Chief,
Pacific Ocean Areas
Pacific Ocean Areas was a major Allied military command in the Pacific Ocean theater of World War II. It was one of four major Allied commands during the Pacific War, and one of three United States commands in the Asiatic-Pacific Theater. Adm ...
.
History of designations
Throughout its history the command was designated:
* US Army Forces, Central Pacific Area (1943–44)
* US Army Forces, Pacific Ocean Areas (1944–45)
* US Army Forces, Middle Pacific (1945–47)
* US Army, Pacific (1947–1974)
* US Army Western Command (1979–1990)
* United States Army Pacific (1990–present)
Historical summary
During the
Korean War
{{Infobox military conflict
, conflict = Korean War
, partof = the Cold War and the Korean conflict
, image = Korean War Montage 2.png
, image_size = 300px
, caption = Clockwise from top: ...
, USARPAC provided combat forces, training, and logistics.
During the
Vietnam War
The Vietnam War (also known by #Names, other names) was a conflict in Vietnam, Laos, and Cambodia from 1 November 1955 to the fall of Saigon on 30 April 1975. It was the second of the Indochina Wars and was officially fought between North Vie ...
, the command provided the same support to
United States Army Vietnam
United States Army Republic of Vietnam (USARV) was a corps-level support command of the United States Army in the Vietnam War.
Establishment
Although the U.S. Army Support Group was the Army component command within Military Assistance Comman ...
. After the war the Army cut its presence in the region as there was no longer a need for such a large number of combat forces in the Pacific. Subsequently, USARPAC was eliminated as a component command and Army forces in Korea and Japan became separate major commands. In Hawaii, USARPAC headquarters was superseded by US Army Support Command Hawaii (USASCH) and a Department of the Army field operating agency, US Army CINCPAC Support Group.
In 1979 the Army established US Army Western Command (WESTCOM) as a major command and the Army component of US Pacific Command. WESTCOM took command of Army forces in Hawaii. In 1989 it added
United States Army Alaska
United States Army Alaska (USARAK or "America's Arctic Warriors") was a military command of the United States Army located in the U.S. state of Alaska. A subordinate command of I Corps, USARAK was the ground element of the Alaskan Command. USAR ...
and in 1990
United States Army, Japan
United States Army, Japan (USARJ) is a Major Command of the United States Army. It consists of operating port facilities and a series of logistics installations throughout Honshū and Okinawa. USARJ participates actively with the Japan Ground Se ...
. In 1990 WESTCOM was renamed USARPAC. USARPAC has sent forces on multiple humanitarian missions, disaster relief, and
defense support of civil authorities.
In October 2000 the headquarters reorganized as a multi-component Army service component command.
Since
9/11, the command plays a major role in the
homeland defense
Homeland defense (HD) is the protection of a territory, sovereignty, domestic population, and critical infrastructure against external threats and aggression. (Definition will be incorporated into JP 3-26Definition deferred to ''Homeland Defense, J ...
of the United States. The command has also sent soldiers in support of the
Global War on Terrorism
The war on terror, officially the Global War on Terrorism (GWOT), is an ongoing international counterterrorism military campaign initiated by the United States following the September 11 attacks. The main targets of the campaign are militant ...
to fill operational gaps.
The command insignia was designed in 1944. It depicts the axis of advance of U.S. forces across the pacific.
Commander's responsibilities
* Responsible to SECARMY for execution of 10 USC § 3013(b) responsibilities
* Admins and supports army units assigned or attached to United States Indo-Pacific Command
* Reports to the Commander, United States Indo-Pacific Command
Current structure

* Army Pacific,
Fort Shafter
Fort Shafter, in Honolulu CDP, Page 4/ref> City and County of Honolulu, Hawai‘i, is the headquarters of the United States Army Pacific, which commands most Army forces in the Asia-Pacific region with the exception of Korea. Geographically, For ...
(HI)
**
Eighth United States Army
The Eighth Army is a U.S. field army which is the commanding formation of all United States Army forces in South Korea. It commands U.S. and South Korean units and is headquartered at the Camp Humphreys,[Yongsan Garrison
Yongsan Garrison ( ko, 용산기지; Hanja: ), meaning "dragon hill garrison," is an area located in the Yongsan District of central Seoul, South Korea. The site served as the headquarters for U.S. military forces stationed in South Korea, known ...]
(
South Korea
South Korea, officially the Republic of Korea (ROK), is a country in East Asia, constituting the southern part of the Korea, Korean Peninsula and sharing a Korean Demilitarized Zone, land border with North Korea. Its western border is formed ...
)
***
2nd Infantry Division,
Camp Humphreys
Camp Humphreys ( ko, 캠프 험프리스), also known as United States Army Garrison-Humphreys (USAG-H), is a United States Army garrison located near Anjeong-ri and Pyeongtaek metropolitan areas in South Korea. Camp Humphreys is home to De ...
(South Korea)
*** 19th Expeditionary Sustainment Command,
Daegu (South Korea)
**
I Corps,
Joint Base Lewis–McChord
Joint Base Lewis–McChord (JBLM) is a U.S. military installation home to I Corps and 62nd Airlift Wing located south-southwest of Tacoma, Washington under the jurisdiction of the United States Army Joint Base Headquarters, Joint Base Lewis–M ...
(WA)
***
7th Infantry Division, Joint Base Lewis–McChord (WA)
***
25th Infantry Division,
Schofield Barracks
Schofield Barracks is a United States Army installation and census-designated place (CDP) located in the City and County of Honolulu and in the Wahiawa District of the Hawaiian island of Oahu, Hawaii. Schofield Barracks lies adjacent to the ...
(HI)
***
11th Airborne Division
The 11th Airborne Division ("Arctic Angels") is a United States Army airborne formation, first activated on 25 February 1943, during World War II. Consisting of one parachute and two glider infantry regiments, with supporting troops, the div ...
,
Fort Richardson (AK)
***
United States Army Japan
United States Army, Japan (USARJ) is a Major Command of the United States Army. It consists of operating port facilities and a series of logistics installations throughout Honshū and Okinawa. USARJ participates actively with the Japan Ground Se ...
,
Camp Zama (
Japan)
***
593rd Expeditionary Sustainment Command
The 593rd Expeditionary Sustainment Command (593rd ESC) is a Sustainment Command of the United States Army.
History
The 593d Expeditionary Sustainment Command (593d ESC) was originally the 1350th Engineer Base Depot Brigade, activated 1 August 1 ...
, Joint Base Lewis–McChord (WA)
**
94th Army Air and Missile Defense Command, Fort Shafter
**
8th Theater Sustainment Command
The 8th Theater Sustainment Command (8th TSC), as the senior Army logistics command in the United States Pacific Command's Area of Responsibility (AOR), provides command and control of all assigned and attached and units under its operational co ...
, Schofield Barracks
***
8th Military Police Brigade
The 8th Military Police Brigade is a military police brigade of the United States Army based at Schofield Barracks, Hawaii. It is responsible for Army military police units within the United States Indo-Pacific Command Area of Responsibility.
A ...
, Schofield Barracks
***
130th Engineer Brigade
The 130th Engineer Brigade is an engineer brigade of the United States Army headquartered in Schofield Barracks, Hawaii that provides engineering support to the United States Army Pacific. The brigade specializes in combat engineering, constructi ...
, Schofield Barracks
**
311th Signal Command (Theater) (Pacific)
***
1st Signal Brigade,
Seoul
Seoul (; ; ), officially known as the Seoul Special City, is the Capital city, capital and largest metropolis of South Korea.Before 1972, Seoul was the ''de jure'' capital of the North Korea, Democratic People's Republic of Korea (North Korea ...
, South Korea
***
516th Signal Brigade
The 516th Signal Brigade (Tactical Theater Signal Brigade) is a forward based major subordinate operations and maintenance command of the 311th Signal Command(Theater). The Brigade supports the United States Army Pacific (USARPAC). The Brigade ha ...
, Fort Shafter
** 18th Medical Command, Fort Shafter
**
9th Mission Support Command
9th Mission Support Command (9th MSC) is a United States Army Reserve unit located in Fort Shafter, Honolulu, Hawai'i.
The 9th Mission Support Command is a U.S. Army Reserve Command under the operational control of U.S. Army Pacific. Headquart ...
, Fort Shafter, part of
US Army Reserve
The United States Army Reserve (USAR) is a reserve force of the United States Army. Together, the Army Reserve and the Army National Guard constitute the Army element of the reserve components of the United States Armed Forces.
Since July 2020, ...
**
196th Infantry Brigade
The 196th Infantry Brigade ("Chargers"), also known as the Charger Brigade was first formed on 24 June 1921 as part of the United States Army Reserve's 98th Division with the responsibility of training soldiers.
World War II
During World War II ...
, Fort Shafter, part of US Army Reserve
**
500th Military Intelligence Brigade
The 500th Military Intelligence Brigade is a unit of the United States Army and subordinate to the U.S. Army Intelligence and Security Command. Its mission is to provide tailored, multi-disciplined intelligence and intelligence capabilities in sup ...
, Schofield Barracks, part of
Army Intelligence and Security Command
** 5th Battlefield Coordination Detachment,
Joint Base Pearl Harbor–Hickam
Joint Base Pearl Harbor–Hickam (JBPHH) is a United States military base on the island of Oahu, Hawaii. It is an amalgamation of the United States Air Force's Hickam Air Force Base and the United States Navy's Naval Station Pearl Harbor, wh ...
Former units include the U.S. Army Chemical Activity, Pacific, at
Johnston Atoll
Johnston Atoll is an unincorporated territory of the United States, currently administered by the United States Fish and Wildlife Service (USFWS). Johnston Atoll is a National Wildlife Refuge and part of the Pacific Remote Islands Marine Nation ...
, which traced some of its history to the
267th Chemical Company and the
Project 112
Project 112 was a biological and chemical weapon experimentation project conducted by the United States Department of Defense from 1962 to 1973.
The project started under John F. Kennedy's administration, and was authorized by his Secretary ...
biological warfare defense experiments. This became the
Johnston Atoll Chemical Agent Disposal System, which was finally deactivated in 2001.
Commanders
Command Group 2022
Source:
*Commanding General:
General
A general officer is an officer of high rank in the armies, and in some nations' air forces, space forces, and marines or naval infantry.
In some usages the term "general officer" refers to a rank above colonel."general, adj. and n.". O ...
Charles A. Flynn
Charles A. Flynn (born ) is a United States Army general who serves as commanding general of United States Army Pacific since June 4, 2021. He previously served as Deputy Chief of Staff for Operations, Plans and Training (G3/5/7) of the Army Sta ...
*Deputy Commanding General:
Lieutenant General
Lieutenant general (Lt Gen, LTG and similar) is a three-star military rank (NATO code OF-8) used in many countries. The rank traces its origins to the Middle Ages, where the title of lieutenant general was held by the second-in-command on the ...
James B. Jarrard
James B. Jarrard is a United States Army lieutenant general who serves as the deputy commanding general of United States Army Pacific since July 28, 2022. He most recently served as the chief of staff of the United States Indo-Pacific Command, s ...
*Deputy Commanding General – North:
Major General
Major general (abbreviated MG, maj. gen. and similar) is a military rank used in many countries. It is derived from the older rank of sergeant major general. The disappearance of the "sergeant" in the title explains the apparent confusion of a ...
Chris Smith
*Deputy Commanding General, Army National Guard:
Major General
Major general (abbreviated MG, maj. gen. and similar) is a military rank used in many countries. It is derived from the older rank of sergeant major general. The disappearance of the "sergeant" in the title explains the apparent confusion of a ...
Reginald G. Neal
*Deputy Commanding General, Army Reserve:
Brigadier General
Brigadier general or Brigade general is a military rank used in many countries. It is the lowest ranking general officer in some countries. The rank is usually above a colonel, and below a major general or divisional general. When appointed t ...
Timothy D. Connelly
*Chief of Staff:
Major General
Major general (abbreviated MG, maj. gen. and similar) is a military rank used in many countries. It is derived from the older rank of sergeant major general. The disappearance of the "sergeant" in the title explains the apparent confusion of a ...
Peter N. Benchoff
*Command Sergeant Major:
Command Sergeant Major
A command sergeant major (CSM) is a non-commissioned rank and position of office in the United States Army. The holder of this rank and position is the most senior enlisted member of a color-bearing Army unit (battalion or higher). The CSM is ap ...
Scott A. Brzak
References
External links
; Government
*
Lineage and Honors Informationat the
U.S. Army Center of Military History
The United States Army Center of Military History (CMH) is a directorate within the United States Army Training and Doctrine Command. The Institute of Heraldry remains within the Office of the Administrative Assistant to the Secretary of the Ar ...
; General information
*
{{Authority control
1945 establishments in Hawaii
Military units and formations in Hawaii
Military units and formations established in 1945
Military units and formations of the United States in the Cold War
Organizations based in Hawaii
Pacific
The Pacific Ocean is the largest and deepest of Earth's five oceanic divisions. It extends from the Arctic Ocean in the north to the Southern Ocean (or, depending on definition, to Antarctica) in the south, and is bounded by the continen ...