| Acronym | Meaning |
| PRSDS | Power Reactant Storage And Distribution System |
| DDU | Display Driver Unit |
| TNL | Tunnel |
| FVV | Facility Verification Vehicle |
| FCL | Freon Coolant Loop |
| CICU | Computer Interface Control Unit |
| WTT | Wind Tunnel Test |
| M | ITTSE Mobile Lgor Tracking Telescope System |
| GCDCS | Ground Checkout Display And Control System |
| SCM | Site Configuration Message |