A long blockade around the Russian Siberian coast, it is to control and funnel in support and supplies to Vladivostok, to cut off any Russia relief via sea and finally to allow for a major scale landing in Korea and Russian Siberia. [ Ships involved. ] 13 Battleships across the entire blockade 30 Armored Corvettes across the entire blockade 15 light cruisers in Vladivostok 50 destroyers across the entire blockade Over 60 auxiliary ships for repair, maintenance, recuperation.