A Russian Yars RS-24 intercontinental ballistic missile system drives during a rehearsal for the Victory Day parade in Red Square in central Moscow

A Russian Yars RS-24 intercontinental ballistic missile system drives during a rehearsal for the Victory Day parade in Red Square in central Moscow

A Russian Yars RS-24 intercontinental ballistic missile system drives during a rehearsal for the Victory Day parade in Red Square in central Moscow, Russia, May 7, 2015. Russia will celebrate the 70th anniversary of the victory over Nazi Germany in World War Two on May 9. REUTERS/Grigory Dukor