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military installation or reservation where weapons, military technology, or tactics are experimented with or are tested
|Said to be the same as||manoeuver area|
This category has the following 57 subcategories, out of 57 total.
- Gaižiūnai Polygon (116 F)
- Opuk proving ground (11 F)
- Uzhhorod proving ground (1 F)
- Truppenübungsplatz Vogelsang (10 C, 1 P, 66 F)
Media in category "Proving grounds"
The following 6 files are in this category, out of 6 total.