| Acronym | Meaning |
| CAA | Clean Air Act |
| ENVISAT | European Environmental Satellite |
| PASIN | Particle-Matter Airborne Sampling Inlet Experiment |
| FGGE | First GARP Global Experiment |
| AES | Atmospheric Environment Service |
| ISS | Information Support Services |
| MOE | Measure Of Effectiveness |
| I&T | Integration And Test |
| ERBI | Earth Radiation Budget Instrument |
| DIS | Defense Intelligence Service |