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Brotherhood of Steel
Bos Eastern Insignia.pngDummyImage.png
Fo4 Eastern Division BoS Flag.png
TypeLoyalist chapter
GovernanceAbsolute power vested in the Elder
FoundedArthur Maxson (est. 2283)[1]
StructureStrict hierarchy and caste division into combat (Knights and Paladins) and non-combat (Scribes) roles
Notable LocationsCambridge Police Station
Boston Airport
Relations and associations
ParentBrotherhood of Steel
Related EntitiesLyons' Brotherhood of Steel
Brotherhood Outcasts

The Eastern division[2] of the Brotherhood of Steel under the command of Elder Arthur Maxson, Supreme Commander of the Brotherhood of Steel. As the Brotherhood's position in the West declines, the once-moribund Lyons' Brotherhood of Steel has been reformed into a major military force in under a decade, able to project their power and influence all along the Eastern Seaboard thanks to the drive and tenacity of its young Elder.


The Eastern division of the Brotherhood evolved from Lyons' Brotherhood of Steel, a chapter that formed in the Capital Wasteland as a result of Owyn Lyons' tech recovery expedition sent out in 2253. Following the Scourge of the Pitt, Lyons' contingent arrived in Washington, D.C. in 2255, and discovered Liberty Prime. As a result, he was instructed to establish a permanent presence, the new chapter occupied the Pentagon, founding the Citadel under the newly-promoted Elder Lyons. Rather than following his orders directly, Lyons attempted to shift his chapter from tech reclamation to charity and protecting the wasteland. He largely failed: Instead of building infrastructure and close relations with the locals, he ordered his troops to engage the numerous super mutants infesting the region, fighting a war of attrition he could not afford. When he defied the Western Elders in the 2270s, they cut off all support, but stopped short of declaring him outright rogue. The chapter suffered a further setback when the Outcasts left the Citadel in 2276, after Lyons refused to allow the excavation of Fort Independence, a token effort to uphold their original mission.[3]

It was in this weakened and isolated state in 2277 that the Brotherhood encountered the Enclave remnants that retreated to the Capital Wasteland, establishing a base at Raven Rock and Adams Air Force Base outside D.C. Assisted by Madison Li and the Lone Wanderer, the seemingly broken chapter managed to reactivate Liberty Prime and use it as a trump card in the conflict, breaking their military during the Battle of Project Purity. The subsequent loss of the robot at the Rockland satellite relay station was a major setback, compounded by the severely depleted stockpiles and shortage of manpower at the beginning of the conflict. However, the Brotherhood prevailed, using the Lone Wanderer to infiltrate Adams and destroy the Enclave's last remaining command center, the mobile base crawler.[3] With the threat removed, the Brotherhood solidified its position, leveraging the newly activated Project Purity and its ample supply of water to establish relations with the wasteland settlements, all the while researching Enclave technology. The great amount of gear and weapons recovered in the wake of the Purifier Conflict was already worked on during the conflict, providing the Brotherhood with years of research material.[4][5] Of course, due to the sheer amount of confiscated Enclave equipment, the effort of itemizing them was handed down to the Initiates; handled by Scribes.[6]

Despite the Brotherhood's success, the organization continued to struggle. Elder Lyons passed away in 2278, with leadership passing to his daughter, Sentinel Sarah Lyons. Not long after her ascension, she was killed in combat with no clear successor in line. In the leadership crisis that followed, the Brotherhood repeatedly appointed one ineffectual leader after another. It was saved by the lack of external threats, allowing the chapter to fortify its position and begin expanding. A chapter that seemed on the verge of collapse a few years earlier was now on the rise, culminating in the 2282[7] launch of the Prydwen.[8][1]

Rise of the Restorer

The launch accompanied the rise of Arthur Maxson to Elder. A lifetime of training and education turned him into a capable warrior and strategist. After displaying his exceptional skill by defeating the super mutant leader Shepherd and brokering peace with the Brotherhood Outcasts, reuniting them with the chapter they abandoned, he was appointed Elder in 2283 at age 16. He was the youngest Elder in Brotherhood's long history. In fact, this position was bestowed by West Coast Elders, who revealed that they still monitored their errant brethren.[1]

Maxson reformed the Brotherhood, incorporating the best of both Lyons' Doctrine and the original mission of the Brotherhood of Steel. He did away with the tech hoarding. As well as Lyon’s sacrificial charity which had all but crippled the Brotherhood. Instead focusing the Brotherhood on protecting humanity and engineering its rebirth by the acquisition of dangerous advanced technologies that could bring a repeat of the Great War and correcting the mistakes of man by exterminating abominations such as super mutants or feral ghouls, much like Elder Lyons originally did.[1] While some members found this distasteful and deserted,[9] many more remained, proud to serve a refocused Brotherhood.[10]

The most noticeable sign of this new dedication was the continuation of Outcast long range recon teams. These scoured the wasteland for technology to recover, secure, and put into use. No less than three teams were dispatched to the Commonwealth between 2280 and 2287. The first team's mission was a tremendous success, returning with crates full of pre-war artifacts and historical documents. However, repeated forays were failures: The second mission in 2284,[11] under Paladin Brandis, was attacked by Institute synths and wiped out, leaving its commander the only survivor. The third in 2287 came under attack from local raiders and ghouls, losing half its number and forced to adopt a defensive stance in Cambridge.[12] Unfortunately, their holding pattern was not tenable in the long term and so Paladin Danse decided to send a distress call to the Citadel for reinforcements.[13] The report also contained incontrovertible proof of the Institute's presence in the Commonwealth and continued operation, prompting Elder Maxson to deploy the Prydwen and the full might of the chapter to the Commonwealth, to destroy it and its threat to humanity once and for all.[14]


Main articles: Brotherhood of Steel - Society, Brotherhood of Steel hierarchy

The Brotherhood of Steel is a militant order dedicated to the control and preservation of technology within the wasteland. The Eastern division, led by Elder Maxson, retains much of the basic organization of the Brotherhood, though it retains many of the modifications introduced by Owyn Lyons. As with the rest of the Brotherhood, the Elder has total control over the organization and its every aspect, from outlining the overarching goals, to assigning individual members duties to fulfill. The Brotherhood expects total obedience and adherence to its moral standards and issued orders. In the words of one officer, anyone who hesitates firing in combat due to misguided moral standards isn't Brotherhood material.[15] This includes aversion to carrying out orders such as requisitioning crops from farmers in the area of operations, to support the Brotherhood's campaigns.[16][17]

There is an explicit ban on wanton murder - the Brotherhood of Steel does not kill innocents, classified as people who are not getting in the Brotherhood's way or openly attacking them.[18] That is the difference between collateral damage and cold-blooded murder in the Brotherhood's eyes.[19]


A Brotherhood research patrol in Concord.

Look at the scorched earth and the bones that litter the wasteland. Millions... perhaps even billions, died because science outpaced man's restraint. They called it a "new frontier" and "pushing the envelope," completely disregarding the repercussions.

— Elder Arthur Maxson

Hearkening back to the earliest years of the Brotherhood, the reforged ideology can be summarized in the following sentence: Control technology, so that it may serve humanity and never endanger it again. The ideology was formulated by Elder Arthur Maxson, as part of a broader reform aimed at restoring the Brotherhood's position in the wasteland.[20]

In the Brotherhood's eyes, abuse of technology was one of the contributing factors of the Great War. As long as it was moderated by morality and forethought, science was a boon for humanity. For example, nuclear technology could be harnessed to provide mankind with limitless power, even if the same principles allowed the same materials to be engineered into weapons of mass destruction. By the second half of the 21st century, as jingoism and consumerism grew rampant, technological development outpaced man's restraint.[21] The new frontier of scientific understanding was explored without regard for the damage it caused. Corporations developed, exploited, and benefited from new technologies, while offloading the environmental and human costs onto the common people.[22] The rapid, unbound technological progress would become mankind's undoing, as bio-engineered plagues, FEV, and of course, nuclear weapons brought mankind to its knees.[20][21]

The Brotherhood focuses on preventing this scenario from repeating itself, knowing that humanity is liable to repeat the same mistakes.[20] As part of this effort, the Brotherhood aims to understand the nature of technology, its power, and relationship with humans. Each member of the Brotherhood has two main obligations:[23]

  1. Collect and preserve technology. Brotherhood patrols scour countless ruins across the wasteland to retrieve technologies of all kinds, in order to study, understand, and use them. By collecting advanced technologies, the Brotherhood also keeps them away from people who would abuse it for its own ends.[24] By extension, if any form of dangerous technology is at risk of falling into enemy hands, standing orders are to destroy it.[25] This is particularly important for suits of power armor and soldiers of the Brotherhood are obligated to scuttle their suits if they are at risk of looting.[26]
  2. Protection of humanity. Through containment of technological abuse and the extermination of abominations and other threats to people in the wasteland (although often these are both one and the same).[20] Typically, it involves destroying abominations that threaten humanity, products of man's hubris. The list generally includes feral ghouls, super mutants, rogue robots, and synths, but is often expanded to include various raider tribes, as a service to the local community.[27] Of particular importance is the destruction of rogue robotics: Machines are meant to serve humanity, under human control, rather than make their own decisions freely.[28] Synths are a particularly repugnant form of robot, as they represent an unforgivable corruption of human life: Assembled in a laboratory by machines, rather than conceived by human beings.[21][29] Their minds are considered a perversion of the human mind: Thoughts are programmed and can be wiped at a moment's notice, resulting in souls that are manufactured, in stark contrast with humans, who take a lifetime to gain experience and achieve wisdom. The Brotherhood considers this artifice unforgivable.[30]

Both of these obligations are part of what the Brotherhood defines as sending a message of stability to the people of the wasteland. By controlling dangerous technologies and eliminating threats to human existence, the Brotherhood believes that it can achieve liberation: Freeing people from danger, to allow them to live their lives in peace and prosperity.[31][32]

Military details

You'd be under my command, and I'd expect you to follow orders. No more mercenary work... this is the real thing. You'd have access to advanced military weapons, as well as your own personal suit of Power Armor. Most importantly, you'd have the Brotherhood at your back... ready to spill its own blood to keep you alive. So... what do you say?

Danse, recruiting the Sole Survivor in 2287

The chapter continues the practice of treating the Knight and Paladin castes as one combat caste. Scribes are tasked with research and maintenance of technologies.[33] In the field, the Brotherhood operates in a squad based system, utilizing proper military tactics and maintaining strict hierarchy. Members of the military arm of the Brotherhood can be divided into four clear groups:

  • Squires are the youngest members of the Brotherhood. Children both born and inducted into the Brotherhood are granted this rank and are expected to study and train in order to be granted Initiate status.[34] They are usually kept within safe facilities, though Elder Arthur Maxson has elected to bring a number of promising Squires aboard The Prydwen into the Commonwealth for training.[35] Squires can be dispatched into the field as trainees, observing and assisting higher ranking members in their duties.[36]
  • Initiates are born into the Brotherhood or local volunteers recruited to become members. Initiates are typically kept away from the front lines by Elder Maxson, and train to progress to the rank of Knight, as well as perform tasks at Brotherhood bases, to free higher ranks up for combat duties. They may also be tasked with manning door guns onboard Brotherhood Vertibirds or providing base security. They are not issued power armor as a general rule.[37][38]
  • Knights are the principal field troops of the Brotherhood. All Knights have the right to wear power armor.[38]
  • Paladins are the highest ranking members of the combat arm of the Brotherhood, enjoying the best equipment and weapons. They are deployed as field commanders or head special operations in the field, such as reconnaissance or delicate tech recovery.[39]
  • An unique feature of the Eastern division is the introduction of Lancers. Lancers are a caste dedicated to the study, operation, and maintenance of aircraft. Their rank system is patterned after the Knights, from Initiate all the way to the rank of Captain. The current head of the class is Lancer-Captain Kells, who is the commander of the Brotherhood's flagship, The Prydwen.[40][41]

One notable change in the Brotherhood's policy towards recruitment was implemented by Elder Owyn Lyons, whose subordinates regularly made recruitment runs in the Capital Wasteland,[42] sponsoring volunteers for induction into the Brotherhood ranks.[43]

Although the quality of those conscripted into Lyons' service was very low, as they were overeager, aggressive and unskilled,[44] due to the suspending of sponsorship after 2276 and the formation of the Outcasts and the desperate need for troops, the system was sound. Elder Arthur Maxson continued the practice, including and expanding sponsorship: All adult recruits have to be sponsored by existing Brotherhood members (usually Paladins), who would travel with them and teach them the ideals of the Brotherhood and train them in combat.[45] To this end, active members can field promote recruits to Initiate rank, but the rank and subsequent promotions have to be confirmed by the Elder at the earliest possible opportunity.[46] However, while the member can retract their sponsorship,[47] once the rank is confirmed by the Elder, only the Elder can dismiss the sponsored party from the organization.[48]

Long range recon teams are a permanent element of Brotherhood operations, much like Brotherhood Outcasts used to work across the wasteland. Participation in recon missions is strictly voluntary, as the Brotherhood lacks the resources to carry out search and rescue missions. Everyone signing up for a recon mission knows the risks. Their loss is mourned, honored, and if possible, investigated if resources and time permit.[49]

Intel gathering is a crucial element of any Brotherhood operations. For example, in their war against the Institute, intelligence is given particular emphasis. On top of any potential insiders, the Brotherhood is also running round the clock vertibird patrols, has squads on the ground trying to pick up anything that can provide a clue as to the Institute operations and whereabouts, and has Scribes monitoring radio traffic and trying to crack their RF encryption.[50]

Major outposts and strongholds

Capital Wasteland

The Citadel continues to be the primary headquarters of Brotherhood operations on the eastern seaboard.[51]
Adams Air Force Base
After the destruction of the Enclave's mobile base crawler, the Brotherhood set up a permanent base-camp at Adams, gaining access to all of the Enclave's stockpiles of advanced military technology and fleet of Vertibirds. Between 2278 and 2282, the Prydwen was constructed at the Base, going on to serve as a mobile command base for five years in the Capital Wasteland before setting off for the Commonwealth.[52][53]


Once deployed in force, the East Coast Brotherhood occupies two major strongholds throughout the Commonwealth to serve as forward operating bases facilitating their operations against the Institute, with a number of temporary outposts. The Brotherhood relies on its fleet of Vertibirds to rapidly respond to threats, rather than defending numerous fixed outposts and stretching its forces thin.

The Prydwen
The Brotherhood of Steel's flagship and escort to Arthur Maxson, the Prydwen is a one of a kind advanced airship constructed by the Brotherhood of Steel at Adams Air Force Base, and a manifestation of its rebirth on the East Coast. Two years alone were spent on designing it by the sharpest minds the Brotherhood had at its disposal.[54] Another two years were spent gathering the parts necessary to enable its construction,[55] with components salvaged from the destroyed Enclave base playing a crucial role in its construction. When it was launched, it granted the Brotherhood the ability to mobilize its entire division and field it anywhere they need to at a moment's notice.[56]
Boston Airport
Once the pride of Boston, the airport has fallen into disrepair. Feral ghouls, scavengers, and the simple passage of time have taken a toll on the once grand terminals. Derelict husks of airplanes litter its grounds and nothing but the desolate wind comes to visit. That is, until the Brotherhood of Steel learned of its location and arrived in force.[57] While the Prydwen remains moored at the control tower, the airport has been repurposed as a logistics center. Everything the Brotherhood needs to operate passes through here: supplies from the Prydwen, salvage from the field, everything. Access is strictly limited and every inventoried element is tracked down to the every singly bullet and bolt.[58]
The Boston Airport serves as a forward operating base for all operations in the Commonwealth. Supplies are stored here, as well as the remains of Liberty Prime, who the Brotherhood plans to rebuild and use against the Institute. The Brotherhood's best soldiers are stationed as the last line of defense for both Prime and the Airport itself, with even Star Paladins encountered patrolling the walkway surrounding Prime. Behind Prime's building platform is the storage depot, where Knight-Sergeant Gavil stores all incoming rations appropriately, as well as supplying gear to field soldiers. Above the depot is an open recreational area, where benches, vending machines, and food items lay about to allow the Brotherhood a place to spend free time.
Cambridge Police Station
A former police station, turned into a forward outpost, listening post, and supply base by the Brotherhood of Steel.[59] Casualties that mounted during the recon mission in the Commonwealth, resulted in a well protected location manned by remnants of the Brotherhood. The arrival of the Prydwen leads to the outpost being turned into a major stronghold, providing rest and resupply before soldiers head back out into the chaos of the Commonwealth. The old police helicopter pad on the roof is restored and turned into a Vertibird landing pad above, with the power armor station provided with ample supplies to upgrade and repair any soldier's armor. Coupled with air support provided by VB-01 Vertibirds, even the occasional synth attack barely registers on their radar, with the usual throng of Cambridge ghouls relegated to a mere nuisance.[60]

Outside relations

"By attempting to play God, the Institute has taken the sanctity of human life and corrupted it beyond measure."

The Brotherhood of Steel in the East is a much more pro-active organization than the Western chapters. Aforementioned outside recruitment is common practice. Sometimes, despite how picky the Elder is, the Brotherhood also accepts batches of wastelanders into their service that would otherwise fail muster, even when appraised by a generous eye.[61]

As part of their mandate, the Brotherhood seeks out and purges "abominations" on a regular basis, without waiting for any specific calls for help,[62] and actively seeks out and secures pieces of advanced technology[63] and pre-War knowledge.[64] The Brotherhood has radicalized its policy towards mutants, with standing orders to kill.[65] In practice, the Brotherhood usually doesn't shoot on sight unless targets are confirmed as hostile - even if they are a synth in a critical location.[66]

The Brotherhood is keen on cultivating good relations with local settlements and traders, particularly when provisions and other necessities are concerned. Their Vertibirds and firepower are a key asset, as they enable the Brotherhood to maintain overwatch across the region, swooping in to protect caravans and settlers from raiders and other threats. As this kind of protection cannot be bought elsewhere, it guarantees advantageous trading terms for the Brotherhood.[67]


AER-9 laser weapons with multiple modifications

AER-9 laser weapons with multiple modifications, commonly used by the Brotherhood

The Rockwell CZ-57 minigun

The Rockwell CZ-57 minigun

The Eastern division of the Brotherhood of Steel enjoys a considerable advantage over their competitors, mostly thanks to being able to manufacture their own gear including weapons as well as years spent salvaging technology from the wasteland: such as power armor and Vertibirds.

The arsenal of the Brotherhood includes principally various advanced infantry weapons to provide light firepower at short ranges. The most common weapons used by the Brotherhood which are also standard issue are the AER-9 laser rife and pistols with multiple modifications to increase weapons performance. Conventional military-grade weapons are also quite commonly used by soldiers, with the decision which to use down to individual preference.[68] Higher ranks (typically Paladin and above) also have access to high-end weapons like plasma rifles and Gauss weapons, spoils of war from the Purifier Conflict.[69]

The Brotherhood also employs various crew-served weapons to provide heavy firepower at all ranges, usually handled by troops in T-60 power armor, who can use them like regular small arms. The list includes the Rockwell CZ-57 Minigun, Gatling laser, and a variety of flamethrowers that excel at suppression and decimation. The arsenal is supplemented by a variety of direct-fire rockets and missiles for use against enemy concentrations or armored targets. The capstone is the M-42 Fatman micronuclear launcher. Low-tech weapons are typically limited to the personal touch: Combat knives, machetes, and brass knuckles used by individual soldiers in close quarters combat.[70]

Vehicles and aircraft

Thanks to years spent salvaging technology from across the wasteland and their victory against the Enclave produced vast amounts of pre-War power armor and aircraft for use in their operations throughout the wasteland. The combination of power armor and the fleet of Vertibirds the division operates gives it an edge against enemy factions. The fleet includes VB-01 Vertibird transports and VB-02 Vertibird gunships. The VB-01 was in full service by the time of the Great War and became the standard issue aircraft for all air missions. They are only armed with two forward mounted 5mm machine guns and door guns (Rockwell CZ-57 5mm miniguns). These aerial machines can transport troops and supplies across vast distances, provide attack, support and cover fire and give the Brotherhood air superiority.[71] Second generation Vertibirds captured from the Enclave remain in service, though due to the limited numbers, none were fielded in the Commonwealth. The design was in testing phases before the Great War, never reaching full production status except with the Enclave. The knowledge on how to manufacture more was either lost or purposely destroyed by its remnants.[72]

The crown jewel of the Eastern Division is the Prydwen, the first post-War airship launched in 2282 at Adams AFB. The vessel serves multiple roles for the Brotherhood, including those of aircraft carrier, command center, clinic, personnel quarters, equipment maintenance bay, and research facility. It allows the Brotherhood to project power along the Eastern Seaboard up to four hundred miles in any direction, thanks to the updated fusion plant pulled from a wreckage. One of its key advantages is the ability to store four Vertibirds via skyhooks that allow for refueling, repair, and rearming in-flight. Due to the combustible nature of hydrogen that makes the airship float, the Prydwen does not participate in direct combat and travels under Vertibird escort.[73]

Notable members

Interactions with the player character

The Eastern division is a major faction and the Survivor can join it and progress through the ranks.

Joining and gaining ranks

Each rank allows access to new equipment at Brotherhood's quartermaster, Proctor Teagan.



  • The Brotherhood will eventually require wiping out the Railroad.

Behind the scenes


Brotherhood of Steel appears only in Fallout 4.


  1. 1.0 1.1 1.2 1.3 Prydwen terminals; Proctor Quinlain's Terminal, The Rise of Elder Maxson
  2. The 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)
  3. 3.0 3.1 See Lyons' Brotherhood of Steel for references.
  4. The Lone Wanderer: "So, what happens to the Brotherhood now?"
    Reginald Rothchild: "I've been amazingly busy ever since we began clashing with the Enclave. All their technology is amazing. It's going to take me years to sift through the wreckage of their mobile platform alone. I suppose we have you to thank for that."
    (Reginald Rothchild's dialogue)
  5. The Lone Wanderer: "So, what happens to the Brotherhood now?"
    Vallincourt: "Now? Now the real work begins. I've got just piles and piles of Enclave technology to take apart and put back together. Who do you think got our captured Vertibird flying? Now let me get back to work before Rothchild assigns me trash detail."
    (Vallincourt's dialogue)
  6. The Lone Wanderer: "Officer Lepelletier said you'd be rewarding me..."
    Bigsley: "Yes, yes. I received a message from her. It's here somewhere... Well, no matter where it is, I know what it said. <Sigh.> The Initiates just finished itemizing a requisition of confiscated Enclave gear. There were a few items that we didn't immediately send out. I suppose you are welcome to those... The Brotherhood thanks you for your efforts. Now if you don't mind? I think I'll just take a brief nap here at my desk..."
    (Bigsley's dialogue)
  7. The Sole Survivor: "You sure Ingram knows what she's doing?"
    Arthur Maxson: "Proctor Ingram's managed to keep a 40,000 ton airship aloft for the past five years. I'd say that earns her the benefit of the doubt."
    (Arthur Maxson's dialogue (Fallout 4))
  8. See Prydwen for references.
  9. The Sole Survivor: ""
    The Scribe: “I was once a Scribe in the Brotherhood of Steel. Back when that was something to be proud of. Back when we used our knowledge to help people, rather than simply hoarding it for our own power. When Squire Maxson took over... well, I didn't like the changes he made to the Brotherhood. Some said it was a return to our ancient traditions. Maybe so. But things are not necessarily better simply because they are ancient. So, I left. Since then, I've been walking up and down in the world... until I found myself here."
    (The Scribe's dialogue)
  10. Brotherhood dialogue: "I'm proud to be serving under Elder Maxson. I had enough of Lyons and his foolish ways."
  11. The Sole Survivor: "Paladin Brandis survived, but he was out of his mind. I killed him. I had no choice."
    Danse: "After all that, you killed him? ...Damn it. I've heard of soldiers going native before, but I expected better from Brandis. Three years alone out here... the isolation must have broken him. All right. I'll prepare a full report based on your investigation. The Brotherhood will honor their memory. Here are some caps for your service. Thank you. This was no easy mission. You've earned my respect, Initiate. Well done."
    (Danse's dialogue)
  12. Danse: "It might surprise you to learn that my recon team isn't the first to visit the Commonwealth. Over the last seven years, two other teams were sent here by the Brotherhood to gather technology. The first team's mission was a huge success. They came back with crates full of pre-war artifacts and historical documents. The second wasn't so fortunate. Shortly after they arrived, we lost contact with them and they haven't been heard from since. As far as my team goes, we've lost four good men to this godforsaken wasteland. We've been a target from the moment we arrived. But despite our setbacks, I don't intend to give up and head home... or end up missing."
    (Danse's dialogue) Note: This is an excerpt from the escort to AcrJet Systems during the quest Call to Arms.
  13. Danse: "I'm Paladin Danse, Brotherhood of Steel. Over there is Scribe Haylen and Knight Rhys. We're on recon duty, but I'm down a man and our supplies are running low. I've been trying to send a distress call to my superiors, but the signal's too weak to reach them."
    Haylen: "Sir, if I may?"
    Danse: "Proceed, Haylen."
    Haylen: "I've modified the radio tower on the roof of the police station, but I'm afraid it just isn't enough. What we need is something that will boost the signal."
    Danse: "Our target is ArcJet Systems, and it contains the technology we need... the Deep Range Transmitter. We infiltrate the facility, secure the transmitter and bring it back here. So, what do you say? You willing to lend the Brotherhood of Steel a hand?"
    (Danse's and Haylen's dialogue)
  14. Events in Fallout 4.
  15. The Sole Survivor: "{{Tooltip|That's more of a morals question, isn't it?"
    Cade: "Oh, absolutely. I feel that the mental state of the crew is just as important as the physical. Anyone that hestiates firing in combat due to misguided moral standards certainly isn't Brotherhood material. So, what about you? Would you have a problem with it?"
    (Cade's dialogue)
  16. Feeding the Troops
  17. The Sole Survivor: "I need details on the mission."
    Teagan: "You get to make sure those farmers down below donate a proper amount of their crop to the Brotherhood of Steel."
    (Teagan's dialogue)
  18. The Sole Survivor: "I hope I haven't offended you."
    Danse: "Offending me should be the least of your worries right now. I don't know how you think the Brotherhood of Steel operates, but the one thing we never do is murder the innocent! I don't care what sort of technology they're sitting on... if they aren't getting in our way or taking up arms against us, they aren't the enemy."
    (Danse's dialogue)
  19. The Sole Survivor: "In war, isn't there always collateral damage?"
    Danse: "There's a difference between collateral damage, and cold-blooded murder. If you're telling me you can't distinguish the difference, perhaps you don't belong in the Brotherhood. Look, the only reason I'm getting angry is because I care so much about you. It hurts me when I see you making such a terrible mistake. Let's just move on and forget that this ever happened. In the future, just try and remember why we're out here."
    (Danse's dialogue)
  20. 20.0 20.1 20.2 20.3 The Sole Survivor: "How did mankind abuse technology?"
    Danse: "Before the Great War, science and technology became more of a burden than a benefit. The atom bomb, bio-engineered plagues and FEV are clear examples of the horrors that technological advancement had wrought. We're here to make sure that never happens again."
    (Danse's dialogue)
  21. 21.0 21.1 21.2 Arthur Maxson: "How dare you betray the Brotherhood!"
    Danse: "It's not his fault. It's mine."
    Arthur Maxson: "I'll deal with you in a moment. Knight! Why has this... this thing not been destroyed?"
    The Sole Survivor: "He's still alive because you're wrong about him."
    Arthur Maxson: "Him?! Danse isn't a man, it's a machine... an automaton created by the Institute. It wasn't born from the womb of a loving mother, it was grown within the cold confines of a laboratory. Flesh is flesh. Machine is machine. The two were never meant to intertwine. By attempting to play God, the Institute has taken the sanctity of human life and corrupted it beyond measure."
    Danse: "After all I've done for the Brotherhood... all the blood I've spilled in our name, how can you can say that about me?"
    Arthur Maxson: "You're the physical embodiment of what we hate most. Technology that's gone too far. Look around you, Danse. Look at the scorched earth and the bones that litter the wasteland. Millions... perhaps even billions, died because science outpaced man's restraint. They called it a "new frontier" and "pushing the envelope," completely disregarding the repercussions. Can't you see that the same thing is happening again?! You're a single bomb in an arsenal of thousands preparing to lay waste to what's left of mankind."
    (Arthur Maxson's and Danse's dialogue)
  22. Danse: "It was corporations like this that put the last nail in the coffin for mankind. They exploited technology for their own gains, pocketing the cash and ignoring the damage they'd done."
    (Danse's dialogue)
  23. The Sole Survivor: "Who are the Brotherhood of Steel?"
    Danse: "Our order seeks to understand the nature of technology. It's power. It's meaning to us as humans. And we fight to secure that power from those who would abuse it."
    (Danse's dialogue)
  24. Danse: "Over two hundred years ago, the abuse of technology drove our race to the brink of extinction. The Brotherhood refuses to allow that to happen again. By collecting all forms of technology, and keeping it out of reach of those who seek to exploit it, we're ensuring the survival of the human race."
    (Danse's dialogue)
  25. Quinlan's research patrols include retrieval of technology and destroying copies present on site.
  26. Paladin Brandis' holotape
  27. Brotherhood of Steel operations in the Commonwealth include air patrols exterminating raiders, hostile mutants, robots, and so on and so forth, exemplifying this ideal.
  28. The Sole Survivor: "Don't be ridiculous."
    Danse: "Look, I'm not blind to the fact that we're good friends and this must be very difficult for you. I wish Maxson had sent someone else. But that doesn't change a thing. I'm a synth, which means I need to be destroyed. If you disobey your orders, you're not only betraying Maxson, you're betraying the Brotherhood of Steel and everything it stands for. Synths can't be trusted. Machines were never meant to make their own decisions, they need to be controlled. Technology that's run amok is what brought the entire world to its knees and humanity to the brink of extinction. I need to be the example, not the exception."
    (Danse's dialogue)
  29. The Sole Survivor: "Synth? Isn't that the same as robot?"
    Danse: "They're an abuse of technology created by the Institute. Abominations meant to improve upon humanity. It's unacceptable. They simply can't be allowed to exist."
    (Danse's dialogue)
  30. The Sole Survivor: "Danse wants to save mankind, not destroy it!"
    Arthur Maxson: "You're as delusional as you are insubordinate! How can you trust the word of a machine that thinks it's alive? A machine that's had its mind erased, its thoughts programmed... its very soul manufactured. Those ethics that it's striving to champion aren't even its own. They were artificially inserted in an attempt to have it blend in to society."
    Danse: "It's true. I was built within the confines of a laboratory, and some of my memories aren't my own. But when I saw my brothers dying at my feet, I felt sorrow. When I defeated an enemy of the Brotherhood, I felt pride. Don't you understand? I thought I was human, Arthur. From the moment I was taken in by the Brotherhood, I've done absolutely nothing to betray your trust and I never will."
    Arthur Maxson: "It's too late for that now. The Institute has foolishly chosen to grant you life. You simply should not exist. I don't intend to debate this any longer. My orders stand."
    Danse: "It's all right. We did our best. You convinced me that I was wrong to be ashamed of my true identity and I thank you for it. Whatever you decide, know that I'm going to my grave with no anger and no regrets."
    Arthur Maxson: "Touching. Either you execute Danse, or I will, Knight. The choice is yours."
    (Arthur Maxson's and Danse's dialogue)
  31. Brotherhood Knight: "Liberating the Commonwealth is a huge responsibility, but we'll get the job done."
  32. The Sole Survivor: "What are my responsibilities as a Sentinel?"
    Arthur Maxson: "I need you to set an example for the troops. Collect technology, exterminate abominations of nature and bring a message of stability to the people of Commonwealth. Our ideals are what define us, Sentinel. If we can hold onto that, then we will always be victorious. Was there anything else you need to ask?"
    (Arthur Maxson's dialogue (Fallout 4))
  33. Knights and Paladins are treated as field combatants, based on their appearances in Fallout 4, while Scribes handle all manufacturing and research duties.
  34. Fallout 4 loading screen hints: "Children born into the Brotherhood of Steel begin their training, and indoctrination, as Squires."
  35. Danse: "I never liked having squires aboard a warship, but Maxson thinks they need to train under fire."
    (Danse's dialogue) Note: This idle line is spoken when accepting the radiant quest Leading by Example to train a squire.
  36. The Sole Survivor: "What exactly do I have to do?"
    Kells: "You'll be escorting a squire to a location where you'll be purging it of all the post-war aberrations: mutants, ghouls, synths, you name it. Meanwhile, the squire will observe and assist under your protection. It's simple and extremely beneficial. What do you say?"
    (Kells' dialogue)
  37. Brotherhood Initiates in Fallout 4.
  38. 38.0 38.1 The Sole Survivor: "Where can I get Power Armor?"
    Danse: "Only Knights are allowed to wear Brotherhood Power Armor. And you're no Knight. Not yet. Until Elder Maxson grants you that title, you'll have to make due with what you've got. Anything else?"
    (Danse's dialogue)
  39. Brotherhood Paladins in Fallout 4.
  40. Prydwen terminals; Captain Kell's Terminal, Maxson MX-001E CP-05
  41. Fallout 4 loading screen hints: "Piloted by Lancer-Captain Kells, the Prydwen has traveled extensively along the East Coast... but this is its first journey to the Commonwealth."
  42. The Sole Survivor: "You're beating around the bush. Is there something you're trying to tell me?"
    Danse: "Is it that obvious? I've... never been very good at these things. Let me start at the beginning. I grew up alone in the Capital Wasteland. Spent most of my childhood picking through the ruins and selling scrap. When I was a bit older, and had a few caps to my name, I moved into Rivet City and opened a junk stand. While I was there, I met a guy named Cutler. We got along pretty well, watched each other's backs and kept each other out of trouble. When the Brotherhood came through on a recruiting run, we felt like it was the best way out of our nowhere lives, so we joined up."
    (Danse's dialogue)
  43. The Sole Survivor: "So there is a human being under all of that power armor after all."
    Danse: "Sometimes I need a reminder, but yes... there is. When I was an Initiate, my sponsor was Paladin Krieg. Toughest squad leader I ever served with. He was a model soldier, embodying the values every trainee was striving to achieve. Fiercely loyal, secure in his beliefs and brave to a fault. From the moment I was assigned to his squad I was singled out... it felt like he was pushing me harder than the rest of the team. I fought by his side for years and we had some seriously close calls, but he never explained to me why I was treated that way."
    (Danse's dialogue)
  44. The Lone Wanderer: "So, you guys looking for new recruits?"
    Sarah Lyons: "That's a negative. We've got too many local conscripts as it is. Most are undertrained and too damned trigger happy for their own good. Our very own Initiate Reddin is a sterling example."
    (Sarah Lyons' dialogue)
  45. The Sole Survivor: "So what's all this about you being my sponsor?"
    Danse: "Elder Maxson is understandably particular when it comes to new recruits. He believes in order to keep the Brotherhood strong, we have to bond as brothers. As your sponsor, it's my duty to travel with you throughout the Commonwealth to ensure that our ideals are being observed. That's why I'm so concerned about your performance in the field."
    (Danse's dialogue)
  46. Semper Invicta and Shadow of Steel
  47. Danse: "I've already told you, I'm retracting my sponsorship. You're on your own."
    Note: Danse's reaction at low loyalty.
  48. Danse: "I don't know why you even bother staying with the Brotherhood."
    Note: Danse's reaction at low loyalty.
  49. Danse: "All right. We need to talk. We aren't the first recon team the Brotherhood has sent to the Commonwealth. The last squad went in three years ago. They never reported back. Officially, they're missing, presumed dead."
    The Sole Survivor: "Was there a rescue mission?"
    Danse: "No. The Brotherhood doesn't have the resources or the manpower to conduct a search like that. Everyone who signs up for a recon mission knows the risks. Our lives depend on our training, and on each other. But if a team is lost, we honor those who give their lives in the line of duty. We have a responsibility to find out what happened to them, if we can."
    (Danse's dialogue)
  50. Arthur Maxson: "You're the only one that's been able to breach the Institute, but you're hardly the only source for information we have. We've been running round the clock vertibird patrols and we even have squads on the ground trying to pick up anything we can. Not to mention all the scribes we have monitoring radio traffic and trying to crack their RF encryption. I assure you, we have reconnaissance well in hand."
  51. The Sole Survivor: "Why establish an outpost at the police station?"
    Danse: "Given the nature of the facility, we felt it would be tactically advantageous to search it for weapons and ammunition. The radio tower on the roof was an unexpected boon, but it obviously has its shortcomings that need to be rectified. It might not be as imposing as the Citadel back in the Capital Wasteland, but it suits our purposes. That's all I'm willing to divulge at this point. Are you ready to proceed with the mission?"
    (Danse's dialogue)
  52. The Sole Survivor: "Where was the Prydwen constructed?"
    Kells: "She was constructed at Adam's Air Force Base just outside of Washington D.C. There was a vast amount of scrap metal and salvageable components there after we defeated the Enclave. We spent the first two years alone gathering the parts. The rest was spent assembling. It was worth the effort. With the Prydwen in our arsenal, we can mobilize our entire division... sending her anywhere that Elder Maxson wishes her to go. Her presence in the Commonwealth ensures that our mission to defeat the Institute will end in victory."
    (Kells' dialogue)
  53. The Sole Survivor: "You sure Ingram knows what she's doing?"
    Arthur Maxson: "Proctor Ingram's managed to keep a 40,000 ton airship aloft for the past five years. I'd say that earns her the benefit of the doubt."
    (Arthur Maxson's dialogue (Fallout 4))
  54. Kells: "Now that you've had a chance to roam the Prydwen, what do you think, Knight/Paladin/Sentinel?"
    The Sole Survivor: "She's very impressive."
    Kells: "Yes, quite a feat of engineering, isn't she. It took the Brotherhood's sharpest minds over two years to design and more than twice that to build."
    (Kells' dialogue)
  55. The Sole Survivor: "That's a long time."
    Kells: "Constructing the Prydwen required a vast amount resources... far more than the Brotherhood possessed when we began. We spent the first two years alone gathering the parts. The rest was spent assembling. It was worth the effort. With the Prydwen in our arsenal, we can mobilize our entire division... sending her anywhere that Elder Maxson wishes her to go. Her presence in the Commonwealth ensures that our mission to defeat the Institute will end in victory."
    (Kells' dialogue)
  56. The Sole Survivor: "Where was the Prydwen constructed?"
    Kells: "She was constructed at Adam's Air Force Base just outside of Washington D.C. There was a vast amount of scrap metal and salvageable components there after we defeated the Enclave. We spent the first two years alone gathering the parts. The rest was spent assembling. It was worth the effort. With the Prydwen in our arsenal, we can mobilize our entire division... sending her anywhere that Elder Maxson wishes her to go. Her presence in the Commonwealth ensures that our mission to defeat the Institute will end in victory."
    (Kells' dialogue) Note: The current status of the only known VB-02 Vertibird used by Lyons' Brotherhood of Steel (the one used during the quest Who Dares Wins) is entirely unknown.
  57. Fallout 4 Vault Dweller's Survival Guide Collector's Edition p.342-344: "[4.27] BOSTON AIRPORT
    Before the war, Boston International Airport was a major transportation hub on the East Coast. In addition to its distinctive control tower, it also had a large terminal, parking garage, runways, and numerous hangars and support buildings.
    The airport suffered heavily from the war. Most of its major buildings, including large sections of the terminal, have long since collapsed, and the rising sea levels have swamped the low-lying runways and outbuildings. Only the control tower and a few hangars remain relatively intact. After mooring the Prydwen at the airport in Act II, the Brotherhood occupy the area and turn it into the base of operations for their war machine in Act III.
    [01] Arrivals Terminal
    The workshop here allows you to build a settlement in relative safety, unless you decide not to ally yourself with the Brotherhood of Steel. Behind the two inaccessible security doors is an airport warehouse—a secret construction shop where a war machine is being built. This eventually is moved to Location 05. Attempt to access this airport warehouse from Location 06, and the wall terminal is inaccessible (only Proctor Ingram can access it). Don’t forget to check the ruined “open air” upper floor above the workshop for a Mini Nuke."
    (Fallout 4 Vault Dweller's Survival Guide)
  58. Gavil: "Let me guess. Captain Kells sent you?"
    The Sole Survivor: "That's right. You're in charge here?"
    Gavil: "I am. And you're here about the missing supplies. Let's take this somewhere more private. Follow me."
    Gavil: "We've converted this section of the terminal into our primary supply depot. Everything the Brotherhood needs to operate passes through here. Supplies from the Prydwen. Salvage from the field. We handle it all. Access is strictly limited to the Logistics detail. And we track every crate, every bullet, every bolt that comes through that door."
    Gavil: "Which is why I don't take kindly to these accusations. I know every soldier in this unit. The thought that anyone would question their loyalty makes me sick. If you've got questions, ask. Otherwise, try to stay out of our way. Sir."
    (Gavil's dialogue)
  59. Fallout 4 loading screen hints: "The old Cambridge Police Station has been occupied by the Brotherhood of Steel, and now serves as an important listening post and resupply depot."
  60. Haylen: ""We've had the occasional synth attack, but so far we've been able to keep them from overrunning us. Thanks to the reinforcements and the air support, I'd say that site was secure."
  61. Ingram: "So, you're the new recruit that I heard about. Hm... not what I was expecting."
    The Sole Survivor: "What were you expecting?"
    Ingram: "The last batch of recruits we took on were wastelanders... dirty, beaten up and looking for a handout. They were desperate and looking for an easy out. You look like you're here for a reason. Anyway, since you came down here to meet me, we may as well get it over with. My name's Ingram and this lovely little grease pit is where you'll usually find me. If your Power Armor's too tight in the crotch, the Prydwen's about to crash into the ground or a robot's gone haywire, you come see me."
    (Ingram's dialogue)
  62. Cleansing the Commonwealth
  63. Quartermastery
  64. Learning Curve
  65. The Sole Survivor: "What exactly do I have to do?"
    Kells: "You'll be escorting a squire to a location where you'll be purging it of all the post-war aberrations: mutants, ghouls, synths, you name it. Meanwhile, the squire will observe and assist under your protection. It's simple and extremely beneficial. What do you say?"
    (Kells' dialogue)
  66. The Survivor can bring Strong, Hancock, or Nick Valentine into Brotherhood locations without them opening fire.
  67. Prydwen terminals; Captain Kell's Terminal, Teagan TG-477PR CP-39: "Fr: Proctor Teagan TG-477PR To: Lancer-Captain Kells KS-390LC Now that we've arrived in the Commonwealth, I'd like to establish trade relations with the locals. I'm going to need a standard sweep and retrieve team and one of our Vertibirds in order to make that happen. There are several caravans that roam the Commonwealth, and we'll use the Vertibirds to track them. If any of the caravans gets jumped, we can swoop in and lend a hand to let them know that we're the friendly eye in the sky. Since you can't normally buy that kind of protection from mercenaries, we'll be certain to get the best prices and values for trades. I've used the same tactic in the Capital Wasteland and it worked wonders. Out here, with the threat of the Institute looming over their heads, we'll have these merchants eating out of our hands."
  68. Brotherhood random barks include a quip about preferring laser weapons for the ozone smell they leave behind.
  69. Teagan's offer upon reaching higher ranks.
  70. Loadouts of Brotherhood troops in the game.
  71. Vertibird appearances and spawns in Fallout 4).
  72. See VB-02 Vertibird for references.
  73. See Prydwen for references.
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