| Acronym | Meaning |
| TVCD | Thrust Vector Control Driver |
| SM | Stable Member |
| FCTS | Flight Crew Trainer Simulator |
| SOM | Ship Operations Manager (NASA) |
| OD | Outside Diameter |
| LCS | LauList Of Command Signals |
| SEI | SuPPort EquiPment Installation |
| CR | Certification Requirement |
| SCF | Satellite Control Facility |
| PIPA | Pulse Integrating Pendulum Assembly |