Sevastopol

Russian navy battle ships station in the bay during a rehearsal of the Russian Navy Day parade in Sevastopol, Crimea, Friday, July 24, 2015. The Russian Navy Day is celebrated the last Sunday of July.

Alexander Polegenko/AP

Russian navy battle ships station in the bay during a rehearsal of the Russian Navy Day parade in Sevastopol, Crimea on Friday

People bring flowers to the eternal flame on the memorial of the heroic defense of Sevastopol (1941-1942) as Crimeans celebrate the first anniversary of the referendum on Monday in Sevastopol, Crimea . Today marks the first anniversary of the referendum which resulted in the annexation of the territory by Russia

Alexander Aksakov/Getty Images

People bring flowers to the eternal flame on the memorial of the heroic defense of Sevastopol (1941-1942) as Crimeans celebrate the first anniversary of the referendum on Monday in Sevastopol, Crimea . Today marks the first anniversary of the referendum which resulted in the annexation of the territory by Russia

Soviet military veterans take part in the flower laying ceremony at the Soviet-era World War II memorial in the Crimean port of Sevastopol.

Olga Maltseva/AFP/Getty Images

Military veterans take part in the flower-laying ceremony at the Soviet-era second world war memorial in Sevastopol, Crimea. Anders Fogh Rasmussen, the departing Nato chief, on Friday said Russian accusations that Nato was violating “red lines” in their bilateral post-cold war agreements were false.

Russian officers walk to meet Ukrainian colleagues on the ship Slavutich in Sevastopol...Russian officers walk to meet Ukrainian colleagues on the ship Slavutich in Sevastopol, March 20, 2014. The legal process required to make Crimea part of Russia will be completed this week, Russia's Foreign Minister Sergei Lavrov said on Thursday. REUTERS/Vasily Fedosenko (UKRAINE - Tags: POLITICS MILITARY)

Vasily Fedosenko/Reuters

Russian officers walk to meet Ukrainian colleagues on the ship Slavutich in Sevastopol. The legal process required to make Crimea part of Russia will be completed this week, Russia’s Foreign Minister Sergei Lavrov said on Thursday.