| Acronym | Meaning |
| BBSO | Big Bear Solar Observatory |
| ASASP | Active Scattering Aerosol Spectrometer |
| IOC | International Ozone Commission |
| BOMEX | Barbados Oceanographic And Meteorological Experiment |
| SRC | Science Research Council |
| NAVAID | Navigation Aid |
| MMD | Mass Median Diameter |
| ESSCO | Electronic Space Systems Corporation |
| LCC | Life Cycle Cost |
| IWRS | Improved Weather Reconnaissance System |