Dulce Base is the location of the command center where the Paranormal Military Squad team is conducting their operations and research into alien signals
"Under the stark, unforgiving lights of Dulce Base's underground command center, tension buzzed harder than the banks of supercomputers that lined the walls." "The command center of Dulce Base lay shrouded in shadows that seemed to claw at the edges of the dimly lit array of screens and consoles."