| Acronym | Meaning |
| CE | Control Element |
| CITE | Cargo Integration Test Equipment |
| ODDS | Operational Data Delivery Services |
| IPS | IRV Isotope Reentry Vehicle |
| MB | Management Baseline |
| TSAC | Tracking System Analytical Calibration |
| FL | Fault Identification |
| ALAE | Atmospheric Lyman Alpha Experiment |
| RCAG | Remote Center Air-Ground |
| OT | Operational Test |