| Acronym | Meaning |
| FRS | First Repository States |
| SID | Sudden Ionospheric Disturbance |
| EPIC | Environmental Photographic Interpretation Center |
| STRATRAD | Strategic Management Of Research And Development |
| AL/OQD | AL Operation Safety Division |
| WWW | World Wide Web |
| BLP | Boundary Layer Profiler |
| SVT | Simulated Variable Thickness |
| TOGA | Tropical Ocean And Global Atmosphere Program(me) |
| SISP | Surface Imaging & Sounding Package |