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| оперативная группа | |||
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| оперативная группа (ОГ) | |||
| operational group: 39 phrases in 13 subjects |
| Aviation | 2 |
| Energy industry | 1 |
| General | 2 |
| Historical | 1 |
| Intelligence and security services | 3 |
| Law | 1 |
| Microelectronics | 1 |
| Military | 19 |
| NATO | 2 |
| Oil / petroleum | 1 |
| Oil processing plants | 2 |
| Police | 1 |
| Security systems | 3 |