| Acronym | Meaning |
| VAP | Voluntary Assistance Program |
| SAI | Sudden Auroral Intensity |
| NSSDC | National Space Science Data Center |
| GATT | General Agreement On Tariffs And Trade |
| LOD2 | Lightweight Omega Digital Dropwindsonde |
| RFQ | Request For Quote |
| DSDP | Deep Sea Drilling Project |
| CCL | Convection Condensation Level |
| ASCENT | Atmospheric Sounding |
| ETA | A Hydrostatic Model That Employs The Eta Vertical Coordinate |