| Acronym | Meaning |
| ISS | Information Support Services |
| INPE | Instituto De Pesquisas Espaciais |
| GCRP | Global Change Research Program |
| UCSD | University Of California At San Diego |
| GTCP | Global Tropospheric Chemistry Program |
| AGGG | Advisory Group On Greenhouse Gases |
| LAPS | Local Analysis And Prediction System |
| HEW | Health |
| ILSS | Integrated Logistics Support System |
| D/L | Downlink |