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| секретная операция | |||
| скрытая операция | |||
| тайная операция (in a covert operation, the identity of the sponsor is concealed. Val_Ships) | |||
| Angielski tezaurus | |||
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| An operation that is so planned and executed as to conceal the identity of or permit plausible denial by the sponsor (JP 3-05) zob. też clandestine operation, overt operation | |||
| Also called clandestine operation | |||
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covert operation : 3 do fraz, 2 tematyki |
| Służby wywiadowcze i bezpieczeństwa | 1 |
| Systemy bezpieczeństwa | 2 |