| Acronym | Meaning |
| PSAC | President's Science Advisory Committee |
| THORPEX | The Observing System Research And Predictability Experiment |
| ROCEW | Role Of Clouds |
| LRC | Langley Research Center |
| GAP | GATE Advisory Panel |
| ALPA | Airline Pilots Association |
| ACO/UK | ACO/United Kingdom |
| AU | Astronomical Unit |
| ELVIS | Export Licensing Voice Information System |
| SGML | Standard Generalized Markup Language |