United States Army Pacific

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United States Army Pacific
USARPAC insignia.svg
USARPAC shoulder sleeve insignia
CountryFlag of the United States.svg  United States
BranchFlag of the United States Army.svg  Army
Type Army Service Component Command/Theater Army
Role Headquarters
Part of
Garrison/HQ Fort Shafter, Hawaii
Motto(s)One Team
Colors   White and red
Decorations Presidential Unit Citation x 2
Superior Unit Award
Philippine Republic Presidential Unit Citation
Campaigns World War II
Website U.S. Army Pacific
Commanding General Flag of the United States.svg GEN Charles A. Flynn
Deputy Commanding General Flag of the United States.svg LTG James B. Jarrard
Deputy Commanding General (AUS) Flag of Australia (converted).svg MG Chris Smith
Senior Enlisted Leader Flag of the United States.svg CSM Scott A. Brzak
Distinctive insignia
US Army Pacific DUI.gif

The United States Army Pacific (USARPAC) is an Army Service Component Command (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, and its mission is to support the Commander, United States Indo-Pacific Command. [1] The main areas that this command has jurisdiction in include Alaska, Hawaii, the Pacific Ocean, Japan, and South Korea. It also performs missions in Southeast Asia, in the countries stretching from the Philippines all the way to Bangladesh and India. 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. [2]


However, subordinate units of this command sometimes perform humanitarian missions in places such as Haiti, Cuba, and the Middle East.


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.

History of designations

Throughout its history the command was designated:

Historical summary

During the Korean War, USARPAC provided combat forces, training, and logistics.

During the Vietnam War, the command provided the same support to United States Army Vietnam. 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 and in 1990 United States Army, Japan. 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 of the United States. The command has also sent soldiers in support of the Global War on Terrorism 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

Current structure

US Army Pacific active component in 2021 (Click graphic to enlarge)
For organization of major subordinate commands: see Eighth Army and I Corps US Army Pacific - Organization 2021.png
US Army Pacific active component in 2021 (Click graphic to enlarge)
For organization of major subordinate commands: see Eighth Army and I Corps

Former units include the U.S. Army Chemical Activity, Pacific, at Johnston Atoll, which traced some of its history to the 267th Chemical Company and the Project 112 biological warfare defense experiments. This became the Johnston Atoll Chemical Agent Disposal System, which was finally deactivated in 2001.


Command Group 2022

Source: [7]

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  1. AR 10–87 Army Commands, Army Service Component Commands, and Direct Reporting Units (PDF). Washington, D.C.: Headquarters, Department of the Army. 11 December 2017.
  2. Eighth Army – An Operational Field Army Headquarters Thursday, 26 April 2012
  3. "Subordinate Commands". US Army Pacific. Retrieved 29 April 2021.
  4. "Units". 8th Theater Sustainment Command. Retrieved 29 April 2021.
  5. Sgt. 1st Class Caleb Barrieau. "Medical Command in Hawaii Reassigned to USARPAC with New Two Star". US Army Pacific. Retrieved 29 April 2021.
  6. "Major Subordinate Commands". United States Army Intelligence and Security Command. Retrieved 29 April 2021.
  7. "USARPAC Leaders". United States Army Pacific. United States Army. Retrieved 5 June 2021.
General information