 |
| air-ground- air communications system: 15 phrases in 6 subjects |
| Air defense | 1 |
| Aviation | 4 |
| Electronics | 3 |
| General | 2 |
| Information technology | 1 |
| Space | 4 |
The server is undergoing maintenance and the site is working in read-only mode. Please check back later.">Add | The server is undergoing maintenance and the site is working in read-only mode. Please check back later.">Report an error
| Get short URL | Language Selection Tips