| Acronym | Meaning |
| OPER | Operation |
| NC | Numerical Control |
| CEIT | Crew Equipment Integration Test |
| SPACE | Spacecraft Prelaunch Automatic Checkout Equipment |
| D | LSC Defense Logistics Service Center |
| CAU | Customer Acquisition Unit |
| GCU | Generator Control Unit |
| FCR | Final Configuration Review |
| MARS | Modular Airborne Recorder System |
| SOF | Safety Of Flight |