Russian Navy orders 3 more Krivak IV class frigates Russia's United Shipbuilding Corporation said on Wednesday it has signed a contract with the Defense Ministry on the construction of another three Krivak IV class frigates for the Russian Navy. The new contract under the 2011 state defense order stipulates the construction of the warships by 2016. The first three Krivak IV class frigates are being built at the Yantar Shipyard in the Baltic exclave of Kaliningrad. The warships are expected to enter service with Russia's Black Sea Fleet based on the Crimean peninsula. A Krivak IV class frigate is equipped...