The Glow, true to its name, is highly irradiated. They were quite surprised when one known as the Vault Dweller actually made it back, bringing with them a holodisk that recorded the fate of Allen's expedition, and earning them a place in the Brotherhood. The Brotherhood of Steel used to send unwanted applicants to the Glow on a 'fool's quest,' referring to it by the moniker the 'Ancient Order,' just to laugh about it later when they ended up dead because of the high amount of radiation in the area. Unfortunately for them, they were killed by security robots and radiation. Other members of the team included Soto, Jensen and Camarillo. Captain Maxson refused, so Allen and his group split away from the Exodus, taking some technology and weapons with them. In 2077, a faction within the soon to be Brotherhood of Steel led by Sergeant Allen gained strength, and they urged Captain Maxson to let them explore the ruins of the West Tek Research Facility, now called the Glow, for artifacts. Due to its high radiation, the facility came to be known as the Glow, surrounded by legends among the people of New California. Mutated by radiation, the airborne FEV strain did not have the same mutagenic abilities as its counterpart at Mariposa, but still complicated things for the Master later on. During the Great War the surface of the installation took a direct hit from a nuclear warhead which left a gaping hole exposing the subterranean installation, shattering the FEV containment tanks and releasing the irradiated virus into the atmosphere. The West Tek research facility was destroyed in the nuclear holocaust of 2077.

Several other projects were also being pursued, including energy weapons and upgrading existing armor. Research would continue until late- 2076 when the fear of international espionage uncovering the PVP research required a complete relocation to the Mariposa Military Base where experimentation on human subjects would continue. The West Tek Research Facility was constructed in 2055 for biological research, but in 2071, the research facility was secured by the military. Its second-largest was the Pan-Immunity Virion Project (PVP), later known as the Forced Evolutionary Virus (FEV). West-Tek was divided into two distinct divisions, 'Advanced Weapons' and 'Biomedical Sciences Research.' By 2069 it was the single biggest private contractor of the American government, with its biggest project being the T-51b power armor for use by infantry soldiers on the frontlines. The Glow can be found eight squares east and twenty-four squares south of Vault 13. 3.7 Level 6 (Barracks and Operations Center).3.5 Level 4 (Biology-Physics Research Labs).

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