| Acronym | Meaning |
| TIDI | TIMED Doppler Interferometer |
| IR-RAD | Infrared Radiometer |
| ISY | International Space Year |
| DOS | Department Of State |
| MCA | Micro Channel Architecture |
| SCCCAMP | South Central Coast Cooperative Aerometric Monitoring Program |
| HRPT | High Resolution Picture Transmission |
| APD | Avalanche Photodiode |
| HIRRLS | High Resolution Research Limb Sounder |
| NCTM | National Council Of Teachers Of Mathematics |