| Acronym | Meaning |
| SDS | Software Design Specification |
| S/C | Splitter/Combiner |
| DPP | Data Requirements And AnalYsis |
| RICC | Remote Intercomputer Communications Interface |
| NWS | National Weather Service |
| GCS | Ground Communications System |
| OST | Operations Support Team (GSFC) |
| STAT | Status |
| LSO | Landing Support Officer |
| URA | Urine Receptacle Assembly |