The United States Armed Forces are the military forces of the United States. The armed forces consist of six service branches: the Army, Marine Corps, Navy, Air Force, Space Force, and Coast Guard. All six armed services are among the eight uniformed services of the United States, along with the U.S. Public Health Service Commissioned Corps and the NOAA Commissioned Officer Corps.
The United States Army Pacific (USARPAC) is an Army Service Component Command which serves as the Army service component for United States Indo-Pacific Command. It may also serve as a Joint Task Force headquarters. The command has forces in Alaska, Hawaii, 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.
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.
Camp Humphreys, 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 Desiderio Army Airfield, the busiest U.S. Army airfield in Asia, with an 8,124-foot (2,476 m) runway. In addition to the airfield, there are several U.S. Army direct support, transportation, and tactical units located there, including the Combat Aviation Brigade, 2nd Infantry Division. The garrison has an area of 3,454 acres (1,398 ha) and cost US$11 billion. Camp Humphreys is the largest U.S. overseas military base, housing some 500 buildings and amenities.
The Defense Logistics Agency (DLA) is a combat support agency in the United States Department of Defense (DoD). The agency is staffed by over 26,000 civilian and military personnel throughout the world. Located in 48 states and 28 countries, DLA provides supplies to the military services and supports their acquisition of weapons, fuel, repair parts, and other materials. The agency also disposes of excess or unusable equipment through various programs.
The United States Army Forces Command (FORSCOM) is the largest United States Army command. It provides expeditionary, regionally engaged, campaign-capable land forces to combatant commanders. Headquartered at Fort Liberty, North Carolina, FORSCOM consists of more than 750,000 active Army, U.S. Army Reserve, and Army National Guard soldiers. FORSCOM was created on 1 July 1973 from the former Continental Army Command (CONARC), who in turn supplanted Army Field Forces and Army Ground Forces.
In the United States Marine Corps, a Marine Air–Ground Task Force is the principal organization for all missions across the range of military operations. MAGTFs are a balanced air–ground, combined arms task organization of Marine Corps forces under a single commander that is structured to accomplish a specific mission. The MAGTF was formalized by the publishing of Marine Corps Order 3120.3 in December 1963, "The Marine Corps in the National Defense, MCDP 1-0". It stated:
A Marine air–ground task force with separate air ground headquarters is normally formed for combat operations and training exercises in which substantial combat forces of both Marine aviation and Marine ground units are included in the task organization of participating Marine forces.
The reorganization plan of the United States Army was implemented from 2006 to 2016 under the direction of the Brigade Modernization Command. This effort formally began in 2006 when General Peter Schoomaker was given the support to move the Army from its Cold War divisional orientation to a full-spectrum capability with fully manned, equipped and trained brigades; this effort was completed by the end of 2016. It has been the most comprehensive reorganization since World War II and included modular combat brigades, support brigades, and command headquarters, as well as rebalancing the active and reserve components.
The United States Army Intelligence and Security Command (INSCOM) is a direct reporting unit that conducts intelligence, security, and information operations for United States Army commanders, partners in the Intelligence Community, and national decision-makers. INSCOM is headquartered at Fort Belvoir, Virginia.
The United States Army North (ARNORTH) is a formation of the United States Army. An Army Service Component Command (ASCC) subordinate to United States Northern Command (NORTHCOM), ARNORTH is the joint force land component of NORTHCOM. ARNORTH is responsible for homeland defense and defense support of civil authorities. ARNORTH is headquartered at Fort Sam Houston, Texas. Redesignated ARNORTH in 2004, it was first activated in early January 1943 as the United States Fifth Army, under the command of Lieutenant General Mark W. Clark.
Shoulder sleeve insignia (SSI) are cloth emblems worn on the shoulders of US Army uniforms to identify the primary headquarters to which a Soldier is assigned. Most military units smaller than brigades do not have SSI, but rather wear the SSI of a higher headquarters.
The 3rd Expeditionary Sustainment Command is a United States Army unit. It derives its lineage from the 3rd Logistical Command, which was activated in Japan on 19 September 1950 for service in Korea.
Lt Gen. Darrell K. Williams, is an American U.S. Army military leader and university president. He served as a general officer in the United States Army directing the Defense Logistics Agency until July 8, 2020. He was previously the Commanding General, Combined Arms Support Command, the Sustainment Center of Excellence (SCoE) as well as the Senior Mission Commander for Fort Lee, Virginia. He currently oversees the Logistics Commodities and Services Transformation Program on behalf of the United Kingdom's Ministry of Defence as a Leidos Vice President and managing director. Williams is the founding chair of the Mary S. Peake Fellowship, a one-year program for next-generation leaders helping local businesses grow, named in honor of Mary S. Peake.
Gustave F. Perna is a retired United States Army four-star general who last served as the chief operating officer of the federal COVID-19 response for vaccine and therapeutics. He previously served as the chief operating officer of Operation Warp Speed from July 2020 until the operation's duties and responsibilities were transferred to the White House COVID-19 Response Team in February 2021. As chief operating officer of COVID-19 response, he oversaw the logistics in the United States federal government's distribution of the vaccine to the COVID-19 pandemic. The Senate confirmed his nomination as chief operating officer on July 2, 2020, and he assumed the office shortly after.
The Army Reserve Sustainment Command (ARSC) is a subordinate command of the 377th Theater Sustainment Command. The Army Reserve Sustainment Command is located in Birmingham, Alabama. The command comprises five subordinate commands and has command and control of Army Reserve Soldiers throughout the United States. The United States Army Reserve Sustainment Command provides trained and ready Soldiers on a continuous and global basis to U.S. Army Materiel Command (AMC), the Assistant Secretary of the Army for Acquisition, Logistics and Technology, the Defense Contract Management Agency (DCMA) and the Logistics Civil Augmentation Program (LOGCAP) in order to sustain Unified Land Operations.
United States Army Garrison Daegu, also known as USAG Daegu is a medium-sized United States Army Garrison headquartered in Nam Gu, Daegu, Gyeongbuk in South Korea. USAG Daegu provides base operations and support for Camps Henry, Walker and George in Daegu, Camp Carroll in Waegwan, Chilgok County, the Busan Storage facility and Pier 8 in Busan Metropolitan City, the DLA Disposition Services in Apo-eup Gimcheon and various other remote mountaintop sites. USAG Daegu also provides support to the United States Navy at Commander Fleet Activities Chinhae in Jinhae-gu, to the United States Marine Corps at Camp Mujuk in Pohang, and to the United States Air Force at K-2 Airfield colocated at the Daegu International Airport. Nearly 10,000 Soldiers, Family members, Civilian employees, KATUSA Soldiers and Korean employees live and work at USAG Daegu installations.
Camp Henry is a U.S. military base in Daegu, South Korea. Camp Henry was named in 1960 after First Lieutenant Frederick F. Henry, who served with F Company, 38th Infantry Regiment, 2nd Infantry Division. Camp Henry is located in the Nam-gu District of Daegu City on 16 acres (0.065 km2). It consists primarily of administrative buildings and community support facilities. The U.S. Army Garrison - Daegu, headquartered at Camp Henry in Daegu, manages the installation and provides base operations services for the people who live and or work at Camp Carroll. Major tenant units on Camp Henry are the 19th Sustainment Command (Expeditionary) and the 403rd Army Field Support Brigade—Korea (Provisional).
Mark T. Simerly is a United States Army lieutenant general who serves as the director of the Defense Logistics Agency. He previously served as the commanding general of the United States Army Combined Arms Support Command, United States Army Sustainment Center of Excellence and Fort Gregg-Adams from 2021 to 2023. He previously served as the Director of Logistics of the United States Forces Korea and Deputy Director of Logistics of the United Nations Command and ROK/US Combined Forces Command and, prior to that, as the Commanding General of the 19th Expeditionary Sustainment Command.
