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operations security : 94 phrases in 23 subjects |
| Business style | 1 |
| Caspian | 5 |
| Diplomacy | 2 |
| Foreign affairs | 1 |
| General | 2 |
| Information security and data protection | 3 |
| Intelligence and security services | 3 |
| International Monetary Fund | 1 |
| Laboratory equipment | 1 |
| Mass media | 1 |
| Military | 31 |
| Name of organization | 1 |
| NATO | 2 |
| Politics | 21 |
| Production | 1 |
| Programming | 2 |
| Securities | 1 |
| Security systems | 7 |
| Soviet | 1 |
| Technology | 1 |
| Telecommunications | 4 |
| Tengiz | 1 |
| Weapons of mass destruction | 1 |