| Acronym | Meaning |
| ATSD | Assistant To The Secretary Of Defense |
| EIC | Earth Information System |
| APEX | Advance Purchase Excursion |
| IITA | Information Infrastructure Technology And Applications |
| SLAPS | St. Louis Air Pollution Study |
| EC | European Community |
| SERON | Southeastern Regional Oxidant Network Program |
| ITU | International Telecommunications Union |
| HRM | High Rate Multiplexer |
| EDA | Ecosystem Dynamics And The Atmosphere |