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| Английский тезаурус | |||
| |||
| The condition of weather and terrain that permits a force to see the friendly, enemy, and neutral personnel and systems, and key aspects of the environment. (FRA) | |||
| obbo; observ; obsv | |||
| obsn; obsr | |||
|
| Английский тезаурус | |||
| |||
| The condition of weather and terrain that permits a force to see the friendly, enemy, and neutral personnel and systems, and key aspects of the environment. (FRA) | |||
| obbo; observ; obsv | |||
| obsn; obsr | |||
