| Acronym | Meaning |
| S/C | Spacecraft |
| MO | Molybdenum |
| HDRSS | High Data Rate Storage System |
| DMS | Data Management System |
| ERCA | Electrochemically Regenerable CO2Absorber |
| LOS | Line Of Sight |
| BM | Business (Branch) Manager |
| OHA | Operational Hazard Analysis |
| LSFE | Life Sciences Flight Experiment |
| ERSIR | Earth Resources Shuttle Imaging Radar |