Stanford Torus
Wide view of the Stanford Torus Hull
Science module
The science module that can be mounted inside the stanford torus has a 100% transmit capable processing lab (some say it's more advanced than the lab back at the space center).
Habitat Module
the habitat module has beds, tables, and a mess hall with coffee and snacks
Holographic EPL
The Holographic assisted extraplanetary launchpad solves the problem of launchpads getting blown up by rocket exhaust whenever something launched off them.