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In our eyes, defeat is unacceptable because we're fighting for the future of mankind. Our rallying cry is more powerful than any weapon you could ever carry. Remember that.Paladin Danse

The Brotherhood of Steel is a faction in the Commonwealth led by Elder Arthur Maxson.[1]


Arthur Maxson was appointed elder at age 16, the youngest in Brotherhood history, after displaying skill as a warrior and diplomat by defeating the super mutant leader Shepherd and brokering peace with the Brotherhood Outcasts. The group began construction of an airship called the Prydwen, using parts from the Enclave mobile crawler at Adams Air Force Base. The development and construction process took a total of six years.

The Commonwealth

The Brotherhood sent three scout missions into the Commonwealth. First, an unnamed recon squad volunteered to go into the Commonwealth, then Recon Squad Artemis led by Paladin Brandis and Recon Squad Gladius led by Paladin Danse. The first scout team was successful. They brought back crates full of pre-War technology and documents and the first post-War reconnaissance of the area.

Artemis had problems beginning at their drop-off point in Malden. Ambushed by Gunners straight off the Vertibird, which resulted in abandoning and manually shorting out their power armor and the deaths of four knights. The survivors made their way to the National Guard training yard to regroup, which was infested with feral ghouls and resulted in the death of another knight. Brandis and his scribe left to investigate the pre-War Revere satellite array, but super mutants overcame them and claimed the second last member of the team. The only survivor was the commanding officer, Paladin Brandis, who made his way to a pre-War nuclear bunker and took shelter.[2]

Recon Squad Gladius subsequently entered the region also looking for technology and valuable documents. They encountered similar resistance from raiders as Artemis did and over the course of several weeks managed to secure a base of operations at the Cambridge Police Station but lost four knights in various confrontations.


After discovering advanced signals originating from the Institute, the Prydwen traveled to the Commonwealth. The Brotherhood established its headquarters Boston Airport. The vessel serves multiple roles for the Brotherhood, including those of aircraft carrier, command center, clinic, personnel quarters, equipment maintenance bay, and research facility.[3] In plotting a course to find, access, and destroy the Institute, Elder Maxson determined the first initiative to be repairing Liberty Prime back to working order.[4]

Apart from the three orders, Knight-Captain Cade resides in the medical bay, treating wounded soldiers and assessing new recruits in order to see if they're combat-ready. Cade is the one who refuses to clear Paladin Brandis for duty until the Sole Survivor completes either The Nuclear Option for the Brotherhood or completes the Mass Fusion quest for the Institute while working for the Railroad. Lancer-Captain Kells commands the Brotherhood's aerial units as well as controlling the flight path of the Prydwen from the command deck.


Fallout 4


  • Paladin Danse mentions that the Brotherhood once ruled a quarry somewhere outside of but near the Capital Wasteland, referring to the situation as "more trouble than it was worth."[5]
  • Should the Sole Survivor choose to wipe out the synths of Acadia, the Brotherhood of Steel will establish a presence at Mount Desert Island, using Acadia as a forward operating base.
  • After completing Spoils of War the Brotherhood will use the Mass Fusion building as an outpost, most of the soldiers will say that the building is a "goldmine" for tech and that the scribes are still searching the building.
  • After completing Ad Victoriam, the Brotherhood will take control of pre-War military checkpoints scattered throughout The Commonwealth.
  • A Brotherhood of Steel Knight aboard the Prydwen may directly reference the Capital Wasteland, saying "If you think the Commonwealth is bad, you should see the Capital Wasteland."


The Brotherhood of Steel appears in Fallout 4.



  1. Sole Survivor: "Who's Elder Maxson?"
    Danse: "Maxson is the commander of this division of the Brotherhood of Steel. He's the model of what every Brotherhood soldier hopes to become. If we're going to war, I can promise you that he'll be leading the charge. That being said, you're about to get to know the Prydwen up close and personal. I've received orders that we're both to report to her immediately. Follow me up to the roof of the police station... we're going for a little ride."
    (Danse's dialogue)
  2. The Sole Survivor: "You're a "Paladin"? What does that mean?"
    Brandis: "I... I tried to do some recon. Explore a little. But I'm... I'm all alone. It was... it was just too much. Too much of a risk. So, I've been hiding. So long... three years? Yes, yes, about that. Too long."
    (Brandis' dialogue)
  3. The Prydwen terminal entries; Elder Maxson's terminal, Ingram IG-444PR - Prydwen Concerns
  4. Fallout 4 Vault Dweller's Survival Guide p. 34: "Soldiers
    Soldiers are responsible for gathering technology and enforcing the will of the Brotherhood. Individuals who demonstrate exceptional loyalty and valor are promoted up the ranks, gaining more formidable gear along the way. Most Brotherhood of Steel soldiers rely on various laser rifles, but heavy guns such as miniguns, Gatling lasers, and missile launchers are sometimes used to overwhelm the opposition. Higher ranking soldiers sometimes employ T60 Power Armor, allowing them to absorb huge amounts of damage."
    (Fallout 4 Vault Dweller's Survival Guide Groups, Gangs, and Factions)
  5. Danse's dialogue: "The Brotherhood tried to run a quarry like this somewhere near the Capital Wasteland. It was more trouble than it was worth."