Part 4/10:
They venture into various structures, including what appears to be a furnace room, possibly used for steam generation, and an underground missile silo. Seeking confirmation, the team conducts séances and communication attempts, asking spirits of known personnel like "Johnson" and "Holly." The responses, transmitted through ghost-hunting devices, suggest connections to the Cold War era, with mentions of service members and relationships ending abruptly.
One spirit, possibly "Holly," seems upset or distressed, hinting at unresolved issues. The team also attempts to establish contact with deceased personnel, including a figure named "Benjamin Vincent."