Chapter 15 - Defiance Has Fallen

Read 'Fort Defiance' on the Terminal in Abbie's Bunker.

Head to Camp Venture.

Go to the Command Center.

Interact with the Terminal to receive an objective to find a password for a locked door.

Find the Storage and Supplies Building.

Enter the building and go downstairs.

Pick the lock on a door in the basement.

Find another locked door in the basement and read the note to its right to receive an objective to find the key.

Locate the key in a building south of the Command Center, following your Quest Marker (a visual indicator on your HUD (heads-up display — the on-screen icons showing health, ammo and the minimap)).

Return to the door and unlock it.

Find the paper with the password on the table.

Return to the Command Center Terminal and use the password.

Enter the Command Center.

Find a note on one of the tables with the location of Fort Defiance.

Head to Fort Defiance.

Work your way to the top floor.

Travel through rooms and across 'bridges' until you get to the Circuit Breaker.

Activate the Circuit Breaker.

Head downstairs via the ramp outside the Circuit Breaker room.

Follow your Quest Marker to a locked room near the building's entrance.

Find and read the note on the bulletin board.