| Acronym | Meaning |
| DF | Development Flight |
| DC | DCASData Collection And Analysis System |
| DFS | Dynamic Flight Simulator |
| IPS | Instrument Pointing System (Subsystem) |
| DC | Data Coordinator |
| IVBC | Integrated Vehicle Baseline Config |
| RRI | Rendezvous Radar Indicator |
| STA | Shuttle Training Aircraft |
| IPS | I RAN) |
| MSS | Mission Specialist Station |