"..sinking of the Moskva dealt a blow to one of Russia's main campaign objectives. Commissioned in 1983, it was armed with 16 anti-ship Vulkan cruise missiles with a range of at least 440 miles (700km). According to reports, it was also carrying S-300 anti-air missiles, which are crucial to Russia's air power over Crimea and Ukraine's Kherson province, now occupied by Russian troops..."