| Acronym | Meaning |
| MS | Main Sequence |
| AGE | Auxiliary Ground Equipment |
| RA | Right Ascension |
| SOCC | Satellite Operations Control Center |
| ISEP | Isolated/Stabilized Exercise Platform |
| VLT | Very Large Telescope |
| CMB | Cosmic Microwave Background |
| XMM | X-ray Multi Mirror |
| ALDP | Advanced Launch Development Program |
| SWF | ShortWave Fading |