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The United States government was the governing body of the United States of America, a federal republic before the Great War.

Its structure has inspired or was used as pattern by other factions, like the New California Republic and the Enclave.



Before the War, the Enclave served as a shadow government within the legal federal government of the United States. Members of the Enclave were military hardliners who both embraced the idea of a nuclear war to rid the world of Communist influence and knew that the common man could not survive it. Its members acted as lobbyists for major American corporations like Vault-Tec Corporation, General Atomics International and RobCo Industries. They believed that as long as the "important people" of the United States survived, they could regroup quickly and build a better world without the threat posed by China or anyone else to the American way of life.

In March 2077, the Enclave and last president established itself on the Poseidon Energy oil-drilling platform known as Control Station ENCLAVE, situated off the coast of San Francisco.[Non-game 1] This location was discovered by the Boston-based newspaper Boston Bugle.[2] In the event of a nuclear war, this was intended to ensure the continuity of the U.S. government's leadership.


While the Enclave started to claim to be the continuation of the United States government, their idea of continuity of government was a violent coup; any non-Enclave personnel who took shelter in government bunkers were apprehended and executed without trial.[3] Immediately after the War, attempts to pass as the US government succeeded at times, as with Colonel Ellen Santiago, but failed with other veterans, eg. Captain Oliver Fields.[4]

Eventually, the Enclave came to be seen as just one of many power groups trying to impose their will on post-War America,[5] and Enclave presidents merely "so-called".[6] By 2277, there was no U.S. government presence at federal government buildings such as the Pentagon and the Capitol Building, as the Capital Wasteland had no central political authority or law enforcement mechanism.

Executive branch[]

In the years prior to the Great War, the executive branch was headed by the last President of the United States, who worked with his cabinet. It included multiple departments and agencies with the intended goal of executing the laws of the country.

Known departments[]

Image Name Head Role
- Department of Agriculture Thomas Eckhart The executive department of US government officially responsible for managing and regulating agriculture.
United States Forest Service logo United States Forest Service The government agency under the Department of Agriculture tasked with managing America's national forests.
- Department of Antiquities An executive department of US government of an unknown purpose.
- Department of Commerce Secretary of Commerce[7] The executive department of US government responsible for managing economic growth
- Bureau of the Census[8] The government agency under the Department of Commerce tasked with producing data about the US population and economy.
- Department of Defense Secretary of Defense The executive department of US government responsible for national defense.
- War Relocation Authority Responsible for rounding up anyone anyone they believed posed a threat to national security, namely those of Chinese ancestry, and isolating them from the rest of the population. Chinese-Americans across the country were forced out of their homes and placed in concentration camps.[9]
Fo4 Army Seal United States Department of the Army Van Buren Secretary of the Army[Non-canon 1] Oversaw and managed the entire United States Army.[10]
- Joint Chiefs of Staff A pre-War advisory board to the President and Secretary of Defense, made up of the top military leaders of the nation.
- Reclamation and Restoration Division Responsible for the rehabilitation of old military sites, or defunct sources of materiel and supplies vital to the war effort.[11]
DIA Defense Intelligence Agency Responsible for monitoring the threat of various foreign and domestic powers. They maintained an extensive intelligence network abroad and on the domestic front, comprised of human intelligence, signals intelligence, data processing and more.[12]
- Strategic Air Command A specified command of the Defense Department, responsible for maintaining the United States' nuclear stockpile.
US Department of Energy seal Department of Energy The executive department of US government responsible for managing the country's energy, particularly nuclear.
- Department of the Interior Secretary of the Interior The executive department of US government responsible for managing the country's land and resources.
Bureau of Reclamation seal Bureau of Reclamation[13][14][15] The government agency under the Department of Interior tasked with managing the country's water resources.
National Park Service Sesquicentennial National Park Service The government agency under the Department of Interior tasked with managing the country's national parks.
- United States Geological Survey Director of the USGS[16] The government agency under the Department of Interior tasked with studying the country's lands and natural resources and assessing natural threats.
- Department of Justice Attorney General[7] The executive department of US government responsible for enforcing federal law and administration of justice.
- Bureau of Alcohol, Drugs, Tobacco, Firearms and Lasers The government agency under the Department of Justice tasked with regulating weapons and controlled substances in the country, as well as enforcing them.
Seal of the FBI Federal Bureau of Investigation The government agency under the Department of Justice serving as the nation's principle federal law enforcement agency.
- Van Buren Federal Bureau of Prisons[Non-canon 2] The government agency under the Department of Justice responsible for the US citizenry incarcerated for federal crimes.
- Cut content Department of Labor The executive department of US government responsible for managing laws regarding employment.
- Department of State Secretary of State[17][18] The executive department of US government responsible for managing foreign relations.
Department of the Treasury seal Department of the Treasury Secretary of the Treasury The executive department of US government responsible for managing the US national treasury and finances.
Secret Service Logo Secret Service The government agency under the Department of the Treasury responsible for managing the nation's currency and protecting its leaders.
- Internal Revenue Service The government agency under the Department of the Treasury responsible for collecting taxes and administering federal tax codes.
- Department of War Secretary of War[17][18] An executive department of US government which held some responsibility over the army
United States Department of the Post Office Seal Post Office Department The executive department of US government responsible managing the country's postal services.

Known agencies[]

Judicial branch[]

Legislative branch[]

FO76 Congressional ID

Congressional keycard

Known government members[]

Executive branch[]

Legislative branch[]

Behind the scenes[]


  1. Seal as seen in a war bonds advertisement in the Fallout intro
  2. Boston Bugle building terminal entries; Boston Bugle article terminal, Article 4
  3. Whitespring surveillance recordings, 1.1.2
  4. A Vault Dweller: "I'm a member of the Enclave. We ARE the government."
    Oliver Fields: "You joined up with that MODUS guy, huh? He contacted us when we started poking around here. Thompson, what did you say he reminded you of?"
    Thompson: "I said he reminded me of the Galaxy News radio announcer but like... obviously evil, sir."
    (Oliver Fields and Thompson's dialogue)
  5. Matthew: "{125}{}{Several months ago we came across a group known as the Enclave. Much to our surprise their level of technology surpassed even our own. We found this quite disturbing and considered contacting them. However, we decided on a more cautious course of action until we could determine exactly who the Enclave was, and the underlying purpose of their organization.}"
  6. The Chosen One: "{223}{}{What happened to Matt?}"
    ACE: "{224}{}{Loading sequence...}"
    Matthew: "{227}{}{You and your so-called President will not succeed.}"
    Frank Horrigan: "{228}{}{Is that so?}"
    Matthew: "{229}{}{The Chosen One has come, and he will rid the world of your evil.}"
    Frank Horrigan: "{230}{}{I care nothing for your pathetic prophecies. Worse, you have become a nusiance In-game spelling, punctuation and/or grammar through your meddling. That ends today!}"
    Matthew: "{231}{}{Killing me will stop nothing.}"
    Frank Horrigan: "{232}{}{That may be, but seeing your body rotting on the ground will bring a smile to my face.}"
    (ACE's information)
    Note: This is the transcript of a cutscene in the San Francisco Brotherhood outpost, at the conclusion of the vertibird plans quest.
  7. 7.0 7.1 The Whitespring bunker terminal entries; archival terminal, Cabinet Nuclear Alarm Logs
  8. Census taker: "You may send complaints with this use of force to the Census Bureau's department of Citizen Complaint and Oversight."
    (Census taker's dialogue)
  9. Internment orders
  10. War game orders
  11. Sign seen at Black Mountain Ordnance Works
  12. The Switchboard terminal entries; terminal, Hindu Kush Report
  13. Hoover Dam map in-game version
  14. Hoover Dam map real world version
  15. Bureau crest on Hoover Dam pamphlet
  16. Survey marker
  17. 17.0 17.1 In-game wanted poster
  18. 18.0 18.1 Real world wanted version, which is more legible
  19. Power plant operations
  20. Shanghai Sally: Berkeley Springs
  21. Patriot's Cookbook
  22. H&H Tools Factory terminal entries; Alan Dalton's terminal, E-mail from Jenny DeSoto
  23. Vault locations v34.129
  24. National Archives terminal entries; JWILS002 John Wilson, Unit Directives
  25. See Sierra Depot GNN transcript for more details
  26. Robot repair center terminal entries; Sector A emergency terminal, Note from Management regarding Sector B
  27. Whitespring surveillance recording 1.1.2
  28. The Sam Blackwell interview
  29. Sam Blackwell: "No" on Measure 6
  30. Senate orientation letter
  31. Charleston Capitol Building terminal entries; Senator Blackwell's terminal, Appointments
  32. St. Aubin medical facility terminal entries; terminal, To: Doctor Stewart
  33. 33.0 33.1 Desmond Lockheart: "HIM! I should have known. My old rival... so close to his family home. Only he would be so stupid. He was once a man -- Professor Calvert. The Calverts owned half of Maryland, back when there was a Maryland to own. Members of the Calvert family were influential all over the world. They practically owned a deed to the US government. In their best days, there were no less than three Calvert family senators, seven members of the house, and two governors. They even had a top candiate for president, until that scandal with the dog forced him to drop out of the race. I was particularly proud of that one."
    (Desmond Lockheart's dialogue)
  34. Committee meeting notes
  35. Charleston Capitol Building terminal entries; Senator Blackwell's terminal, Energy Meeting
  36. Department of Ag projects
  37. Cabot House terminal entries; terminal, 02/12/1968
  38. The Lone Wanderer: "I'm a United States senator. Here's my identification."
    MARGOT: "Identity verified. Welcome. How may I assist you today?"
    (M.A.R.Go.T.'s dialogue)
    Note: This dialogue option is only available when the player possesses the Senate employee ID found near the aforementioned unnamed senator's remains.
  39. Alien captive recorded log 15


  1. Fallout Bible 0: "2077 March Prepared for a nuclear or biological attack from China, the president and the Enclave retreats to remote sections around the globe and make contingency plans for continuing the war."
  2. 2.0 2.1 Boston Bugle Volume 12, no. 748: "Although in FDA tests the drink appears to be non-toxic, it does cause the drinker’s urine to glow for a week after consumption."
  3. Pip-Boy 2000 Mk VI FM radio module


  1. Tibbets Prison design documents, page 7: "On 5 April 2040, the Secretary of the Army made the decision to build a new Disciplinary Barracks, with a capacity for 456 inmates. A cost ceiling of $363 million in allocated construction dollars was set. The target budget year for funding this project was fiscal year 2041. Construction began in the Fall of 2042, with completion projected for the Fall of the year 2045."
  2. Tibbets Prison design documents, page 7: "In designing this facility we are applying state of the art design and equipment, as it exists today, borrowing heavily from the experiences that the Federal Bureau of Prisons and several state prison systems encountered when designing and building prisons."
  3. Van Buren HERMES armor screenshot
  4. Armstrong: "You see Corporal Armstrong of the Great Midwest Commonwealth 13th Armored Infantry Division."
    (Armstrong's dialogue)
  5. Tibbets Prison design documents, page 7: "The United States Penitentiary (USP), Tibbets is located on 1,583 square acres with 22.8 inside the penitentiary walls. It is an all-male high security level facility committed to carrying out the judgments of the Federal Courts. It provides a safe, secure and humane environment for those offenders committed to its custody. Like all Bureau facilities, Tibbets adheres to a balanced philosophy that recognizes that punishment, deterrence, and incapacitation are all valid purposes of confinement. Opportunities for positive change are provided through work, education, training, and counseling for inmates motivated toward self-improvement."
  6. Maxson bunker design documents, page 3: "In the year 2067, Senator Todd Peterson decided to build a secret bunker to house himself and his family should war break out. Senator Peterson was a wealthy man in his own right, but lacked the funds necessary for such a project. Through secret dealings with Poseidon Oil and a covert branch of the government known as the Enclave, the final funding for the project was attained. A construction sight was chosen in southern Colorado and work began."