| Acronym | Meaning |
| LO | Local Oscillator |
| CRD | Change Request Disposition |
| MMS | Multimission Modular Spacecraft |
| CACB | Center Aisle Connector Bracket |
| PRE | Personal Rescue Enclosure |
| OBS | Operational Biomedical System |
| DFRN | Differential |
| LES | Launch Equipment Shop |
| LMP | List Of Measurement Points |
| GET | Ground Elapsed Time |