| Acronym | Meaning |
 | ALPA | Airline Pilots Association |
| MSOCC | Multisatellite Operations Control Center |
| MLOPEX | Mauna Loa Photochemistry Experiment |
| GWS | Gateway Service |
| ACHEM | Atmospheric Chemistry Model |
| ANL | Argonne National Laboratory |
| OI | Optimal Interpolation |
| NTN | National Telecommunications Network |
| DERF | Dynamic Extended Range Forecasting |
| ASI | Agenzia Spaxiale Italiano |
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