Obtained: Automatically after completing the Over and Out quest
Speak to Scribe Valdez
Head back to Fort Atlas and speak with Scribe Valdez.
Reinforce the Brotherhood barricade
Follow the party through the red door and down into the lower level of the fort.
Speak to Scribe Valdez
Talk with her.
Reach the Super Mutants’ entry point
Head through the hole and work your way to the objective.
Place bombs on Super Mutants entry points
Follow the objective to the 4 entry points and place the bombs there. Please note that the enemies will keep spawning until you place all the bombs.
Retreat to a safe distance
Head back to the entrance of this room.
(Optional) Use the elevator to return to the surface
Use the elevator in the center of the room to ascend.
Speak to the Brotherhood upstairs
Follow the path forward to enter the main part of Fort Atlas and speak with Paladin Rahmani to complete the quest.