| Acronym | Meaning |
| MLR | MDM Launch Right |
| ILS | InstrumentLanding System |
| SES | SPecial Emphasis Study |
| POR | Purchase Order Request |
| UT&GS | Uplink Text And Graphics System |
| MOPR | Mission Operations Planning Review |
| TRSD | Test Requirements Specification Document |
| VCI | Velocity Change Indicator |
| SIMS | Shuttle Imaging Microwave System |
| IPS | IRANSATfranian Government Communications Satellite (replace |