| Acronym | Meaning |
| IGSE | In-Space Ground SUPPort Equipment |
| OT | Operational Trajectory |
| CDF | Circuit Design Fabrication |
| OMPT | Observed Mass Point Trajectory |
| O&FS | Operations And Flight Support |
| SIMAS | Shuttle Information Management Accountability |
| PIND | Particle Impact Noise Detection |
| PSRD | Program Support Requirements Document |
| ICO | Integrated Checkout |
| ICT | Influence Coefficient Tests |