| Acronym | Meaning |
| GWS | Gateway Service |
| AMRV | Advanced Maneuvering Re-entry Vehicle |
| NSFF | NSF Funded |
| OSO | Office Of Space Operations |
| ACO/UK | ACO/United Kingdom |
| HVPS | High-volume Precipitation Spectrometer |
| UWGB | University Of Wisconsin At Green Bay |
| JPOP | Japanese Polar Orbiting Platform |
| ATRMD | Air |
| ADI | Alternating Direction Implicit |