Vault 45 is the original home of the player in Fallout: Dallas, acting as the spawnpoint of new players.


Several years before 2077, Vault 45 was constructed as an experimental "megavault"; the public knew only that there was only one vault for Dallas. Vault-Tec promised that dwellers would be comfortable in the Vault because of how many friends, family members, and fellow citizens would be allowed inside. The company advertised "1,000 Person Capacity!" for the Dallas vault.

When the Great War occured at 8:42 AM Central Time on October 23, 2077, citizens warned of the blasts on the East Coast quickly drove or ran to Vault 45. Thankfully for them, the first nuclear warheads to hit Texas were aimed at Fort Worth, landing at 8:56 AM. Fort Worth was deemed a better target to hit first, due to the large quantity of industrial production and military reserves there. Dallas was finally hit at 9:40 AM, but nearly all of those who had signed up for the Vault had easily arrived at Vault 45 by then. Of the 1,000 civillians who signed up, 946 arrived.

As people began rushing towards the Vault, security guards verified their credentials and sent them through, where they filed into a large waiting room and were sent down the elevator in groups of 19 people plus a single security guard per trip. At 9:30, the Vault's door was closed, as no one with Vault-Tec pamphlets was left at the security checkpoint.

Once everyone was moved downstairs, occupants were directed to their rooms, given keys to the doors, and began their period of life underground.

The Overseer and his friends, meanwhile, started the execution of their grand plan...

In 2057, with U.S. military tensions running high, and the Vault-Tec Vault program having begun three years earlier, secret government agents, part of the future Enclave, knew well that nuclear war was almost certain within a few decades. General John D. Montgomery, who worked secretly with Vault-Tec, directed the construction of a single, massive Vault for Dallas, with the objective of creating a Vault that would double as a headquarters of operation for the future Enclave. Montgomery selected 250 other military officials working with Vault-Tec as his Enclave army. Despite his former bouts of mental issues, Montgomery had made his way to general, largely because of his uncontrolled desire for power. His mad plan was to form a 250-man army that would, after waiting for radiation to be fully cleared, take over as much of the post-War world as possible. The Vault, as such, was given a secret armory filled with enough weapons to start a whole new war.

Scientists and technical experts in his group calculated that it could take nearly two hundred years for radiation to return to a level safe for leaving the Vault. A plan was devised whereby the group would enter cryostasis in order to survive for such a long period. The scientists, however, also warned Montgomery that cryostasis had not been tested in long-term scenarios, making the plan risky.

Montgomery decided to contact one of his friends, Duncan McGrady, another official in Vault-Tec who lived in Boston. Duncan had directed the construction of Vault 111, and was as such its Overseer. As Montgomery knew, Duncan had come up with the idea of experimenting with cryostasis in his Vault as his Vault-Tec experiment. Duncan agreed to provide Montgomery with regular updates on his cryostasis tests.

Vault 111 would establish communications via a hidden satellite uplink; a Vault-Tec satellite orbiting over Boston was chosen as the basis of communications output. Since Vault 45 was not close enough to establish a micro-sized uplink to the satellite, however, Vault 45 would instead receive information from the satellite via a radio/satellite communications tower located above Vault 45. As Vault 45 was built, the tower was rebuilt using extremely durable frame materials and satellite dishes that would allow the tower to survive nuclear blasts. Montgomery had already ensured that Vault 45 would be given an unlimited budget from Vault-Tec; as such, he spent several million dollars to construct the virtually indestructible communications tower.

Various amounts of cryogenic equipment were brought into the Overseer's wing of the Vault; technicians from his 250-person group were assigned to use the material to work on and modify a massive cryochamber for Vault 45.

After the bombs fell, the 946 citizens moved into Vault 45 and, over time, became accustomed to life there; the Vault was well maintained, very spacious, and had plenty of amenities.

Communications were soon received from Vault 111, confirming that test subjects had quickly been placed in Vault 111's cryo chambers. For the next ten years, technicians secretly worked on producing the massive "cryo room" designed to hold everyone from Overseer Montgomery's coalition, using Vault 111's feedback to determine the best specifications.

- To be written later: synopsis: the plan fails due to an inside leak, vault dwellers learn about the plan and stage an uprising, eventually overthrowing most of the Overseer's group and using the cryochamber themselves to wait out the radiation for ~200 years

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