| Acronym | Meaning |
| QUADS | QualitY Achievement Data SYstem |
| DOI | Descent Orbit Insertion |
| OXID | Oxidizer |
| DIR | Document Information Record |
| POV | Peak Operating Voltage |
| TAEM | Terminal Area Energy Management |
| JST | Joint Systems Test |
| M | Mega |
| SPS | Service Propulsion Subsystem |
| DRIRU | Dry Rotor Inertial Reference Unit |