| Acronym | Meaning |
| CBR | Cosmic Background Radiation |
| RFNA | Red Fuming Nitric Acid |
| HCI | Highes Communications |
| INCO | Integrated Communications Officer |
| IGBP | International Geosphere/Biosphere Programme |
| PARE | Physiological And Anatomical Rodent Experiment |
| ETM | Enhanced Thematic Mapper |
| EUTELSAT | European Telecommunications Satellite Organization |
| ISPM | International Solar Polar Mission |
| NSSDC | National Space Science Data Center |