| Acronym | Meaning |
| PEM | Particle Environment Monitor |
| ENAC | Energetic Neutral Atom Camera |
| HLV | Heavy Lift Vehicle |
| IR | InfraRed |
| USMP | United States Microgravity Payload |
| SSRT | Single Stage Rocket Technology |
| SB | Spiral |
| GOMR | Global Ozone Monitoring Radiometer |
| EUV | Extreme UltraViolet |
| AE | Arianespace SA |