| Acronym | Meaning |
| GAP | GATE Advisory Panel |
| SIO | Scripps Institution Of Oceanography |
| NWSTC | National Weather Service Telecommunications |
| FT | Forward-in-time |
| TREC | Tracking Radar Echoes By Correlation |
| NAS | National Airspace System |
| ABS-SC | Automatic Backup Shutdown Of Safety Computer |
| ALPA | Airline Pilots Association |
| RBV | Return Beam Vidicon |
| ARG | Appointments Review Group |