How to Get the All-American in Fallout: New Vegas

Enter Vault 34, reach the Overseer's office, and use its terminal to unlock the armory. Inside the armory, look for the All-American on an overturned table. The rifle is a loose item in the room. The locked gun case contains different loot, so you can leave it alone if you only came for the All-American.

1. Prepare for Vault 34

Find Vault 34 on your Pip-Boy map and bring supplies before entering. The vault has radiation, enemies, and flooded rooms. Carry Rad-X, RadAway, and healing, plus ammunition for close corridors. Make a separate save outside. This gives you a point to return to if you use up supplies before opening the armory.

If your Science skill cannot hack the terminals, plan to retrieve the passwords inside the vault. You can still follow the route, but it will involve checking underwater areas. Pay attention to your oxygen and radiation rather than trying to explore several rooms in one dive. Check your status again when you return to a dry corridor.

2. Use the Utility Room terminal to drain the route

1. Explore the lower levels and locate the Utility Room and the nearby flooded staircase.
2. If you cannot hack the utility terminal, swim to the dead technician in the submerged area and take the Vault 34 Utility Terminal Password.
3. Return to the Utility Room and use its terminal to activate the pump station.
4. Check the staircase again and follow the route that opens after the water is drained.

The utility password is distinct from the security password. If you found a password but the terminal still refuses access, read the name of the item you picked up. Use the Utility Room terminal for the pump step and keep track of which submerged area you already searched.

3. Reach the Overseer and unlock the armory

Locate the Security Office and use its terminal to open the route onward. If you need the Vault 34 Security Terminal Password, look for the other dead technician in a submerged room. GameBanshee identifies the technician under a desk in the flooded lower section. Return to the Security Office after you obtain the password.

Proceed to the Overseer's office and deal with the enemies there. Use the terminal behind the desk to unlock the armory. The terminal is the step that opens the door you need. If you reached the armory earlier and could not get inside, return after using the Overseer's terminal rather than looking for a way to pick that door's lock.

4. Pick up the rifle from the overturned table

Enter the armory and check the overturned table on the right side. Aim at the loose rifle until the pickup prompt identifies it as All-American, then collect it. Confirm the name in your Pip-Boy. There are other rifles and supplies in the same room, so do not assume the first Marksman Carbine you see is the unique weapon.

If you are close to your carry limit, take the rifle first. Decide which other items you can carry without making the exit difficult. You can leave the locked case and any equipment you do not need. The goal is to leave with the correct rifle and enough health and supplies to get outside.

5. Check the right lock if you are stuck

If the path is still flooded, revisit the utility terminal and confirm that the pump was activated. If you cannot progress from the Security Office, check which password you found and whether you used the right terminal. If the armory door remains shut, check the Overseer's terminal for the door control.

Once the rifle is in your inventory, retrace your route through the passages you already cleared. Check radiation before heading back through the lower floors. When you are outside, make a fresh save and check the rifle's condition and ammunition before taking it into a fight.

To keep the two passwords straight, check which terminal is blocking you before going back underwater. The utility password belongs to the pump controls. The security password belongs to the Security Office. Once you have used both, focus on the Overseer’s office and the armory door rather than opening every terminal you pass. This keeps the trip shorter in an irradiated vault.