| Acronym | Meaning |
| ETAG | Educational Technologies Assistance Group |
| SCM | Solar Constant Monitor |
| MACCM2 | Middle Atmosphere Community Climate Model |
| FTS | Federal Telecommunications System |
| INDOEX | Indian Ocean Experiment |
| MO&DSD | Mission Operations And Data Systems Directorate |
| ICF | Instrument Control Facility |
| PD | Positive Definite |
| GVHRR | Geosynchonous Very High Resolution Radiometer |
| JOC | Joint Organizing Committee |