| Acronym | Meaning |
| EOS-A | First NPOP |
| NASCAS | NAS Committee On Atmospheric Sciences |
| DP | Defense Programs |
| TLS | Tunable Laser Spectroscopy |
| IAVCEI | International Association Of Volcanology And Chemistry Of The Earth's Interior |
| ACGIH | American Conference Of Governmental Industrial Hygienists |
| NEXUS | Navaid-based Upper- Air Sounding System |
| IR-RAD | Infrared Radiometer |
| STS | Seasonal Transition Simulation |
| SCMS | Software Configuration Management Section |