Proving ground
A proving ground (US), training area (Australia, Ireland, UK) or training centre (Canada) is a military installation or reservation where weapons or other military technology are experimented with or are tested, or where military tactics are tested.
While these types of facilities are usually military or government establishments, some civilian industries have their own proving grounds for testing prototypes and new technologies.
There are five proving grounds in the Czech Republic with the total area of 1296 km2.
In Russia a designated area is usually called a "polygon" ().
In the United States, there are several military facilities that are designated as Proving Grounds.
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