Level X (Level)

Background
Level X was the lowest level of Arctic BioSystems. It was previously a Russian base. Hiroshi Hatake used it for storage of core samples of dangerous viruses.

Appearances
In, Alan Farragut discovers air flow coming up into Level R. After Daniel Aerov tells Alan about the virus vault on Level X, Alan and Julia descend to destroy the NARVIK core samples. Julia discovers another example of her initials and she and Alan descend into what proves to have been her childhood home.