U.S. Department of Defense

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Department of Defense
United States Department of Defense Seal.svg
Secretary:Lloyd Austin
Annual budget:$589 billion (FY2017)
Total employed:2.8 million (2016)
Year created:1949
Official website:Defense.gov



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Executive Departments of the United States

Executive Departments
Department of StateDepartment of the TreasuryDepartment of DefenseDepartment of JusticeDepartment of the InteriorDepartment of AgricultureDepartment of CommerceDepartment of LaborDepartment of Health and Human ServicesDepartment of Housing and Urban DevelopmentDepartment of TransportationDepartment of EnergyDepartment of EducationDepartment of Veterans AffairsDepartment of Homeland Security

Department Secretaries
Lloyd AustinXavier Becerra • Tony BlinkenMiguel CardonaMarcia FudgeDenis McDonoughPete ButtigiegMerrick GarlandJennifer GranholmAlejandro MayorkasGina RaimondoMarty WalshTom Vilsack • Janet Yellen

The Department of Defense (DoD) is responsible for providing military force to ensure the nation's security. Established in 1949, it is the oldest and largest executive department of the United States federal government, employing more than 2.8 million individuals as of December 2016. The stated mission of the department is "to provide the military forces needed to deter war and to protect the security of our country." Major divisions of the department include the United States Army, Navy, and Air Force. The department is based out of the Pentagon, located in Arlington County, Virginia.[1][2]

Ret. Gen. Lloyd Austin is the current secretary of defense. He was confirmed by the Senate on January 22, 2021, by a vote of 93-2.[3]

History

In 1789, the War Department was formed, which paved the way for the creation of the Department of Defense. In 1790, the Coast Guard was created. In 1798, the Department of the Navy was created. In 1947, the National Military Establishment was created to unify the military branches. In the same year, the War Department was replaced and became the Department of the Army. The Department of the Air Force was also created in 1947. The Army, Navy, and Air Force were then placed under control of the secretary of defense. According to the Department of Defense's website, "In 1949, an amendment to the National Security Act further consolidated the national defense structure by withdrawing cabinet-level status from the three Service secretaries. The National Military Establishment was then renamed the Department of Defense."[1]

The Pentagon

The Pentagon on Sept. 11, 2002, taken by Angela Stafford, U.S. Air Force

The Pentagon is the headquarters for the Department of Defense. Construction of the Pentagon began on September 11, 1941, and it officially opened on January 14, 1943. It was believed to be a short-term necessity during World War II; however, as the United States continued to expand its military presence throughout the world, the Pentagon remained the headquarters for the Department of Defense. It is one of the world's largest office buildings with triple the amount of floor space of the Empire State Building in New York City.[4][5][6]

On September 11, 2001, the Pentagon was the target of a terrorist attack. According to The History Channel, "American Airlines Flight 77 crashed into the Pentagon’s first floor west wall at 9:37 a.m. Traveling 529 miles per hour at the time of the impact, the hijacked Boeing 757 made a gash 30 yards wide and 10 yards deep, puncturing the three outer rings of the building. The resulting fire raged for 36 hours, and by the time it was extinguished, 189 people were dead: 135 Pentagon workers and 64 people on the plane (including the five hijackers)."[4]

Mission

The Department of Defense website states:

The mission of the Department of Defense is to provide the military forces needed to deter war and to protect the security of our country. The department's headquarters is at the Pentagon.

The mission of Defense.gov is to support the overall mission of the Department of Defense by providing official, timely and accurate information about defense policies, organizations, functions and operations. Also, Defense.gov is the single, unified starting point for finding military information online.

This mission is consistent with the DoD Principles of Information, which outline the Department's policy for providing information to military members, DoD civilians, military family members, the American public, the Congress, and the news media. The information you find here is cleared for public release in accordance with applicable DoD policies.[7]

—U.S. Department of Defense[1]

Leadership

Administrative State
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The president is the commander-in-chief of the armed force and is responsible for the decisions made regarding the United States' national defense. The president coordinates with the secretary of defense and the National Security Council to decide security needs, as well as necessary plans of action. Those policies are then delegated by the office of the secretary of defense.[8]

The secretary of defense oversees the military departments, the chairman of the Joint Chiefs of Staff, and the unified commands. According to the Department of Defense's website, "The military departments train and equip the military forces. The Chairman plans and coordinates military deployments and operations. The unified commands conduct the military operations."[8]

Recent Secretaries of Defense
Secretary of Defense Years in office Nominated by Confirmation vote
William S. Cohen 1997-2001 William Clinton 99-0
Donald H. Rumsfeld 2001-2006 George W. Bush NA
Robert M. Gates 2006-2011 George W. Bush 95-2
Leon E. Panetta 2011-2013 Barack Obama 100-0
Chuck Hagel 2013-2015 Barack Obama 58-41
Ashton Carter 2015-2017 Barack Obama 93-5
James Mattis 2017-2019 Donald Trump 98-1
Mark Esper 2019-2020 Donald Trump 90-8
Christopher C. Miller 2020-2021 Donald Trump NA
David Norquist (acting) 2021-2021 Joe Biden NA
Lloyd Austin 2021-Present Joe Biden 93-2


Note: Votes marked "N/A" represent voice votes or unrecorded votes. Missing votes will be filled as they are researched.

Organization

Office of the Secretary of Defense

The office of the secretary of defense is primarily in place to be the government liaison of the department. The department develops policy, manages resources, provides oversight, and exchanges information with other government entities both domestic and foreign. Additionally, the office provides oversight of defense agencies and field activities.[9]

Office of the Inspector General

The inspector general's office of the Department of Defense is an independent office in the department charged with auditing and investigating programs and operations of the department.[9]

Joint Chiefs of Staff

The Unified Command Plan establishes the missions and geographic responsibilities among the combatant commanders.

The Joint Chiefs of Staff advise the president and secretary of defense on military matters relating to their respective departments.[9]

Unified Combatant Commands

Commanders of the Combatant Commands carry out the missions assigned by the president and secretary of defense. The directives of the president and secretary of defense are passed down to the commanders by the chairman of the Joint Chiefs of Staff.[9]

Military Departments

The departments of the Army, Navy, and Air Force are organized under their own secretaries and follow the direction of the secretary of defense. The secretary of defense updates the department secretaries on operations and activities regarding their responsibilities.[9]

Organizational chart

DOD org chart.jpeg

Budget

See also: Federal policy on the budget, 2017-2020

Recent news

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See also

External links

Footnotes