| Acronym | Meaning |
| SRD | SYstems Requirements Document |
| NAVDAD | Navigationally Derived Air Data |
| MPESS | Mission Peculiar Experiment Support Structure |
| NRT | Near Real-Time |
| DA | Deployed Assembly |
| GES | Goddard Experiment SuPport System |
| STD | Standard |
| FES | Flash Evaporator System |
| IVE | Interface Verification EquiPr-nent |
| GPS | Ground Processing Simulation |