 |
| |||
| пилот аэростата (Andrey Truhachev) | |||
| balloon pilot: 56 phrases in 14 subjects |
| Artillery | 2 |
| Ecology | 2 |
| Electronics | 1 |
| General | 2 |
| Makarov | 1 |
| Mechanics | 3 |
| Medical | 1 |
| Medical appliances | 1 |
| Meteorology | 11 |
| Military | 18 |
| Navigation | 1 |
| Oceanography & oceanology | 1 |
| Physics | 2 |
| Technology | 10 |