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Mel uses turrets to destroy the computers, and shut down AEGIS. Mel and Virgil take an elevator up to Virgil's testing track, through which they can access the computer room for AEGIS. AEGIS begins to flood Aperture with toxic goo. Its name is 'AEGIS', short for 'Aperture Employee Guardian and Intrusion System'. After turning on the power the voice is heard again. After finding Virgil, he tells Mel to turn on the power. Mel later reaches the scrapyard, and then the offices. Later after reaching a seal, Mel takes the lift that comes down after opening the seal. He is actually a core named Virgil, a 'maintenance core' who is stuck in the 'scrapyard' of Aperture, and needs your help. It tells her to pick up an ASHPD to participate in a "new test." After a few tests, he decides to stop the act, and reveals he isn't Cave Johnson, and they are in the future and stuck inside of Aperture. Later, far into the future, she is waken up by a voice pretending to be Cave Johnson that is trying to convince her it is 1952. After going into the vault, something goes wrong, and she is indefinitely put to sleep. Cave Johnson tells her that she will be testing the Short-Term Relaxation Vault, and tells her she will be asleep for a few minutes, or at most an hour.
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An Aperture Science test subject named Mel arrives at Aperture via train in 1952.
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