Fortress Crimea

Before Russia annexed Crimea in 2014, the presence of Russian military forces there was strictly defined by a 1997 treaty with Ukraine 1997. The specified that no more than 25,000 Russian military personnel could be present on the peninsula, and only 2,000 of them could be air force and another 2,000 could be marines. Equipment limits also applied. The Russians could have no more than 24 artillery, no more than 142 armored vehicles and 22 military aircraft.

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