The Brotherhood of Steel (commonly abbreviated to BoS) is a post-War technology-focused paramilitary order with chapters operating across the territory of the former United States.
If you'd like to know more, see Brotherhood of Steel. Here is an example of a loyal Brotherhood soldier:
The loyal soldier pictured here is a member of the Scribe Orders. He is an Initiate Scribe of the Order of the Shield. Here's a list of our Initiate Scribe ranks!