ANALYSIS. Why nowhere can Ukraine hurt the Russians as much as in the Black Sea Fleet

The Russian Ministry of Defense has released images to prove that Admiral Viktor Sokolov is still alive. Ukraine had claimed he was killed in the rocket attack that hit his headquarters in Sevastopol last week. Why is he such a hot target? And what makes the Black Sea Fleet he leads so important? And how come it was already established in Crimea before the peninsula was taken from Ukraine?

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