| Acronym | Meaning |
| ALPTRAC | Part Of EUROTRAC |
| AIS | Affiliate Information System |
| IATO | Independent Acceptance Test Organization |
| GATE | Global Atmospheric Research Programme Atlantic Tropical Experiment |
| IUPS | International Union Of Physiological Sciences |
| AOC | Area Of Contamination |
| AP | Anomalous Propagation |
| DBER | Division Of Biomedical And Environmental Research |
| OAO | Office Of Aircraft Operations |
| AGI | American Geological Institute |