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The Circle of Steel is a sub-faction within the Brotherhood of Steel meant for dealing with internal conflicts. In terms of their position relative to the Brotherhood proper, they are the Internal Affairs of the whole Brotherhood of Steel.[Non-game 1]


After the Brotherhood was defeated at HELIOS One, Christine Royce was sent after Elijah, the rogue elder. She carried a silenced sniper rifle and recon armor.[1][2]


The Circle of Steel is mentioned in the Fallout: New Vegas add-ons Dead Money and Old World Blues. They were originally intended to appear in the cancelled Van Buren.

Behind the scenes

According to Chris Avellone, the group was formed by hardliners in the Brotherhood of Steel, who believed the rest of the organization has drifted from the original principles of preserving technology.[Non-game 2][Non-game 1]



  1. 1.0 1.1 Chris Avellone: "The revised take on the Circle of Steel was different (for me, they weren’t evil, they were just hardliners who thought the rest had drifted from the original principles of preserving tech and policing their own rogues – kind of like Internal Affairs)"
    (Chris Avellone on willooi.com) (Archived)
  2. @Omega_Sucal: "Are the Circle of Steel that were meant to be in Van Buren the same as the one that Christine formally/currently belongs too?"
    @ChrisAvellone: "They're 1st iteration of Van Buren (BOS hardliners)."
    (Chris Avellone's Twitter) (Archived)