| Acronym | Meaning |
| QL | Quick Look |
| CICU | Communication Interface Control Unit |
| MVS | Middle Value Select |
| SFDS | System Functional Design Specification |
| POST | Program To OPtimize Simulated Trajectories |
| PRESS | Pressure |
| FACT | Flexible Automatic Circuit Tester |
| PPB | Program Performance Baseline |
| SIO | Systems Integration Office |
| DIM | Design Interface Meeting |