| Acronym | Meaning |
| EVAL | Evaluate |
| MSS | Mobile Service Structure |
| MA | Mike Amplifier |
| RTG | Radioisotope Thermoelectric Generator |
| COBOL | Common Business Oriented Language |
| SDG | Supplier Documentation Group |
| PASS | Primary Avionics Software System |
| POGO | Polar Orbiting GeophYsical Observatory |
| PRC | People'sRepublic Of China Satellite |
| IPS | IRD Information Requirements Document |