National Guard depot Located along the northern edge of Downtown D . C . , the National Guard depot appears to be a common National Guard compound that used to be the headquarters of the Washington regiments of the National Guard of the Commonwealth of Columbia . This was a base intended to serve as a fall - back point for state troops and their leadership to regroup . Avoiding the metro system , it can be reached from the Wasteland . It is located directly south of Vault 108 and the robot repair center ( which is directly north of Vault 108 ) . One can also head east from Friendship Heights along the buildings past the Rock Creek caverns . Background . The depot itself has been severely damaged over the years . Many of the floors and ceilings have collapsed , making navigation difficult . However , despite the damage to the above - ground structure , the bunker ( along with its incomplete extension ) , has managed to survive without much damage . Layout . National Guard depot . Once entering the building , there will be a stairway to the left that is accessible . Going up these steps , jump over the pipe and continue on into the office with the flag on the cubicle wall . Proceed past the cubicles and through the door at the north end of the room . Making a left , head down the stairs to the southwest . At this point , one should be able to see the utility door through the hole in the floor to the left . Continue east to the room with the Nuka - Cola vending machine s . Next to the second vending machine and an Eat ' o ' tronic 3000 is the door to the depot training wing . Training wing . Heading east , go through one of the two holes in the wall . There is a hallway at the north end of the room . ( The door to the east end of the hallway leads upstairs to the room with a " Tales of a Junktown Jerky Vendor " , a pre - War book , and a safe . ) Follow the hallway west . Beyond the room with the low condition pre - war weapons and ammunition is the locker room . From there , go east to the training grounds . The door in the far southeast corner leads to a supply room with three ammunition box es and four first aid box es ; past those is the door to the offices . Offices . At the west end of the cubicle - filled area down the first staircase is a room with a turret control terminal . Go up either of the two staircases flanking the turret control room and enter the room to the south . Go beyond the desk and up the stairs . At the top of the stairs head west . On the counter is a " Duck and Cover ! " At the far northwest corner of the room , there is some rubble that can be climbed to reach the next area . The door at the top of the rubble has a sentry bot behind it and leads to the depot ' s upper floors . Once back in the depot , there is a room with a toppled vending machine and the switch to the utility door , which is in the west corner of the room . National Guard armory . The armory is only accessible after going through the National Guard training wing , the National Guard depot offices , and then exiting from the offices back to the first area of the National Guard depot . Exiting back into the depot , there is an electrical switch about 15 feet to the left . This will unlock the utility door two stories below , which in turn allows one entry into the armory . The utility door cannot be lockpick ed , even though it is shown to have a Very Hard lock . There is a sentry bot inside the room just behind the door . Activating the second switch inside the utility room will open a trap door that leads into the armory itself . National Guard bunker . The National Guard bunker , accessed through the National Guard armory , can be opened by completing the unmarked quest " Keller Family Refuge " or via a relatively easy glitch ( see relevant section ) . Inside the bunker is the experimental MIRV ( and a plasma grenade hidden in a cooking pot , on the first set of shelves left - hand side ) . Also five mini nuke s and a " " book can be found next to the MIRV , and a Nuka - Cola Quantum lies in a bin near the back . Mr . Keller , a glowing one and last " surviving " member of the original Keller family , can be found here . Also , there are two first aid boxes and a . 32 pistol with some ammunition next to the first aid boxes ; it will be the first set of shelves you see in the middle of the room . There is also an ammunition box on the opposite shelves , and a safe with another . 32 pistol , ammunition , caps and other random items , built into the desk where the workbench is . Inhabitants . The National Guard depot is mainly inhabited by sentry bot s , Mister Gutsies , protectron s , and robobrain s . Mr . Keller ( now a glowing one ) , can be found in the bunker containing the experimental MIRV ( see above ) . Appearances . The National Guard depot appears only in " Fallout 3 " .