| Acronym | Meaning |
| GMIL | SpGMILSpaceffight Tracking And Data Network (STDN) |
| ARTEMIS | Project Management Software System - Metier Product |
| RJD | Reaction Jet Driver |
| LL | Long Lead |
| T&M | Time And Materials |
| SIMR | Systems Integration Management Review |
| SRCB | Software Requirements Control Board |
| CB | Constant Bandwidth |
| NSS | Nitrogen Supply Subsystem |
| MAC | Multiaccess Computer |