| Acronym | Meaning |
| NRL | Naval Research Laboratory |
| MJO | Madden-Julian Oscillation |
| NPSNET | NASCOM Packet Switched Subnetwork |
| KSA | Ku-band Single Access |
| PRUDENCE | Prediction Of Regional Scenerios And Uncertainties For Defining European Climate Change Risks And Effects |
| BGCWG | Biogeochemistry Working Group |
| DBSS | Directed Balloon Sounding System |
| IFEOS | International Forum On Earth Observations Using Space Station Elements |
| UIL | Upper Interval Limit |
| OSO | Office Of Space Operations |