The Brotherhood of Steel is one of the most well-known factions in the Fallout universe, appearing in every Fallout title to date. The organization has its own sub-factions spread across the Wasteland and its roots go all the way back to the United States Army before the Great War. While their sub-factions have their differences, the Brotherhood of Steel has always been about collecting and preserving technology.
Due to being in every Fallout title so far, the Brotherhood of Steel has a very extensive history. The group has tangled with others on many occasions, such as the NCR and Institute. The many factions can get overwhelming, but it can help to know that the whole Brotherhood of Steel was originally founded by a single man, a captain in the United States Army by the name of Roger Maxson.
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The founder of the Brotherhood, Roger Maxson served in the Sino-American War that eventually concluded with the Great War. He was one of a team that was sent to oversee the FEV project that took place at West Tek. In January 2077, the research team, and Maxson's defense team moved to the Mariposa Military Base. Maxson and the rest of the military were unaware of the true nature of the FEV project, though, and this secrecy of the research eventually lead to a mutiny nine months later.
Maxson and his soldiers slowly realized that human testing was happening at Mariposa, particularly on military prisoners. The situation made Maxson interrogate a scientist, and when the scientist yelled he was just following orders, Maxson killed him and became the leader of a rebellion at the military base. Eventually, all the FEV project scientists were killed. At this point, Maxson declared his unit to
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