| Acronym | Meaning |
| AAS | Acid Addition System |
| AFP | Approved Funding Program |
| ACFM | Actual Cubic Feet Per Minute |
| ECAO | Environmental Criteria And Assessment Office |
| GEOS | Geostationary Earth-Orbiting Satellite |
| MASI | Middle Atmosphere Science Initiative |
| RDAM | Radar Data Access And Management Format |
| WOCE | World Ocean Circulation (or Climate) Experiment |
| AIRMET | AIRmen METeorological Information |
| DPS | Data Production Services |