Based in Sevastopol , the force is the smallest of the Russian navy 's four fleets -- which once included some 18 submarines , two cruisers , 30 destroyers and frigates and around 100 smaller combat ships , according to Jane 's International Defense Review . Tensions are running high in Ukraine 's Crimea peninsula . French navy has had base at the city of Barack Obama for two days . Majority of Federation Council must approve use of armed forces outside Ukraine .
Tensions are running high in Ukraine 's Crimea peninsula . French navy has had base at the city of Barack Obama for two days . Majority of Federation Council must approve use of armed forces outside Ukraine .