| ADS-B | Automatic Dependent Surveillance-Broadcast |
| DAA | Detect And Avoid |
| EDTIB | European Defence Technological and Industrial Base |
| EO/IR | Electro-Optical / Infrared |
| ELOS-COOP | Electronic Line of Sight, Cooperative |
| FSO | Free Space Optical (laser comms) |
| GEO-ASSURED | Geographic/Temporally Assured |
| HEMS | Helicopter Emergency Medical Service |
| ISR | Intelligence, Surveillance, Reconnaissance |
| JEF | Joint Expeditionary Force |
| LEO | Low Earth Orbit |
| MTTR | Mean Time To Restore |
| PROC-SEG | Procedurally Segregated |
| QRA | Quick Reaction Alert |
| SAR | Search And Rescue / Synthetic Aperture Radar (context-dependent) |
| SLOS-DAA | Sensor Line of Sight + Detect And Avoid |
| STANAG | Standardisation Agreement (NATO) |
| TLP | Traffic Light Protocol |
| USV | Unmanned Surface Vessel |
| UTM | UAS Traffic Management |