Russian soldiers participate in a Victory Day parade in Vladivostok, May 9, 2016, to mark the 71st anniversary of the victory over Nazi in World War II. (Xinhua/Wu Gang)

Russian soldiers participate in a Victory Day parade in Vladivostok, May 9, 2016, to mark the 71st anniversary of the victory over Nazi Germany in World War II. (Xinhua/Wu Gang)

Russian soldiers participate in a Victory Day parade in Vladivostok, May 9, 2016, to mark the 71st anniversary of the victory over Nazi Germany in World War II. (Xinhua/Wu Gang)

Russian soldiers participate in a Victory Day parade in Vladivostok, May 9, 2016, to mark the 71st anniversary of the victory over Nazi Germany in World War II. (Xinhua/Wu Gang)

Russian soldiers participate in a Victory Day parade in Vladivostok, May 9, 2016, to mark the 71st anniversary of the victory over Nazi Germany in World War II. (Xinhua/Wu Gang)

Russian Defense Minister Sergey Shoigu (C) inspects troops during the Victory Day parade in Moscow May 9, 2016. Russia marks on Monday the 71st anniversary of the victory over Nazi Germany in World War II. (Xinhua/Bai Xueqi)

Russian honor guards stand during the Victory Day parade in Moscow May 9, 2016. Russia marks on Monday the 71st anniversary of the victory over Nazi Germany in World War II. (Xinhua/Bai Xueqi)

Members of a military band march during the Victory Day parade in Moscow May 9, 2016. Russia marks on Monday the 71st anniversary of the victory over Nazi Germany in World War II. (Xinhua/Bai Xueqi)

Russian servicewomen march during the Victory Day parade in Moscow May 9, 2016. Russia marks on Monday the 71st anniversary of the victory over Nazi Germany in World War II. (Xinhua/Bai Xueqi)

A T-90A main battle tank drives during the Victory Day parade in Moscow May 9, 2016. Russia marks on Monday the 71st anniversary of the victory over Nazi Germany in World War II. (Xinhua/Bai Xueqi)

Military jets fly in formation during the Victory Day parade in Moscow May 9, 2016. Russia marks on Monday the 71st anniversary of the victory over Nazi Germany in World War II. (Xinhua/Bai Xueqi)

MOSCOW, May 9, 2016 (Xinhua) -- Russian servicemen march during the Victory Day parade in Moscow May 9, 2016. Russia marks on Monday the 71st anniversary of the victory over Nazi Germany in World War II. (Xinhua/Bai Xueqi)

A T-34 tank drives during the Victory Day parade in Moscow May 9, 2016. Russia marks on Monday the 71st anniversary of the victory over Nazi Germany in World War II. (Xinhua/Bai Xueqi)

Su-25 jet fighters fly in formation during the Victory Day parade in Moscow May 9, 2016. Russia marks on Monday the 71st anniversary of the victory over Nazi Germany in World War II. (Xinhua/Bai Xueqi)

A Russian Yars intercontinental ballistic missile system drives during the Victory Day parade in Moscow May 9, 2016. Russia marks on Monday the 71st anniversary of the victory over Nazi Germany in World War II. (Xinhua/Bai Xueqi)