This glossary explains the key technical terms and abbreviations used in this chapter.
| Abbreviation / Term | Explanation |
|---|---|
| C-UAS | Counter-Unmanned Aerial Systems — counter-drone systems. |
| DEW | Directed Energy Weapons — directed energy weapons. |
| FCAS | Future Combat Air System — European future combat aircraft programme. |
| IAMD | Integrated Air and Missile Defence — integrated air and missile defence. |
| QRA | Quick Reaction Alert — readiness for immediate scramble. |
As of March 2026. All information is based on publicly available sources.