

The head knight is responsible for allocating knights to missions ( i.e. When they do enter a battle it is almost certain that they will have a huge army protecting them and will very rarely be seen on the front line, they normally sit back with the generals and help plan strategic maneuvers. The head paladin and knight don't tend to go out into the field of battle, although they may in critical circumstances. Both the head knight and head paladin report to the high elder and generals, no one else. The head paladin holds meetings with the high elder, elders, head scribe, generals and head knight.

The head paladin is responsible for dealing with the paladins in the same way the head knight does, but the head paladin chooses which paladins should lead each knight squad and which areas may prove to be suitable HQ's. Maxson states that the Sole Survivor is the only member of the Brotherhood of Steel that currently holds this title and it has been some years since the last sentinel served under him. Based on dialogue with Elder Maxson at the end of Fallout 4, sentinels do not require orders and usually conduct operations at their own will. The Sole Survivor can also attain this rank if he or she completes the Brotherhood main questline. The only known member of the Brotherhood to have achieved this rank at the time of Fallout 3 is Sarah Lyons, who leads the Lyons' Pride elite unit.

They are far more powerful than the western chapters, are largely considered the future of the Brotherhood of Steel, and a major force for mankind’s preservation.Sentinel is a rank used by the East Coast division, ranking between paladin and elder. They became so powerful they established the East Coast: Commonwealth chapter to continue expansion efforts and have built a fleet of airships to maintain their superiority.

Nevertheless, they have dramatically grown their numbers through massive recruitment efforts, with new leadership were able to consolidate the Outcasts back into their ranks and repelled a massive invasion by the Enclave. This led to them being cut off from the main chapter and a few rebels to break away and form the Outcast. Their top priority is the destruction of super mutants and see preserving and obtaining prewar technology as a side project to further their primary goal. Sent to settle into the east coast they have built the mighty Citadel in the ruins of the Pentagon and rule the area with a power armored fist. By far the most powerful chapter of the Brotherhood of Steel has to be the East Coast Brotherhood.
