| NB: The definitions below are for words, or technical vocabulary, specific to Military Air Environment use. |
| Where a word appears in the Oxford English Dictionary (OED), the definition below is specific only to the |
| associated context and OED definitions should be used in all other usages. |
| Term | Abbreviation | Chapter Reference |
| Unmanned Air System | UAS | Chap 2.1 |
| Description |
| An unmanned air system includes a number of elements such as the ground-based control unit, ground-launch |
| system and the Unmanned Air Vehicle (UAV) and all associated flight safety-critical elements. |