| Acronym | Meaning |
| ACGIH | American Conference Of Governmental Industrial Hygienists |
| PDS | Planetary Data System |
| APT | Accelerator Production Of Tritium |
| ROPCOM | Remote OPCM |
| FL1 | First Flight Model |
| NQS | Network Queue System |
| AGARD | Advisory Group For Aeronautical Research And Development |
| AIV | Aviation-impact Variable |
| ISP | Internet Service Provider |
| PEPPI | Photometric Eclipse Polar Plume Imager |