| Acronym | Meaning |
| SFC | Specific Fuel Consumption |
| ECL | Entry Closed Loop |
| HLMT | Hel Met |
| MTVC | Manual Thrust Vector Control |
| BMAP | Buffer Map |
| EOS | Earth Observation Satellite |
| MEA | Material Experiment Assembly |
| DK | Display Keyboard |
| VAST | Versatile Avionics System Tester |
| REQN4TS | Requirements (RQN4TS Preferred) |