Russia's military power in photos

Russian warships sail past exploding anti-missile ordnance during a rehearsal for the Navy Day parade in the far eastern port of Vladivostok, Russia. (Reuters)

Sukhoi Su-27 Flanker fighters of the Russkiye Vityazi (Russian Knights) aerobatic display team perform during a demonstration flight at an opening ceremony of the International Army Games-2015 in Alabino, outside Moscow, Russia. (Reuters)

A crew lines up on the Kuzbass nuclear submarine during a rehearsal for the Navy Day parade in the far eastern port of Vladivostok, Russia. (Reuters)

Russian Sukhoi Su-25 Frogfoot ground-attack planes perform during the Aviadarts military aviation competition at the Dubrovichi range near Ryazan, Russia. The aviation contest is part of the International Army Games, which are held in Russia from August 1-15, with participants from 17 countries, according to organizers. (Reuters)

Russian Mil Mi-26 Halo helicopter flies over Red Square during the Victory Day parade in Moscow. (REUTERS/Host Photo Agency/RIA Novosti )

Kornet-D1 mobile antitank missile complex performs during the International Army Games 2016 at the Ashuluk military polygon outside Astrakhan, Russia. (Reuters)

Russian servicemen equip an Iskander tactical missile system at the Army-2015 international military-technical forum in Kubinka, outside Moscow, Russia. (Reuters)

Flares are seen as Russian Mi-28 military helicopters fly during the opening of the Army-2015 international military forum in Kubinka, outside Moscow, Russia. (Reuters)

U.S. Navy picture shows what appears to be a Russian Sukhoi SU-24 attack aircraft making a very low pass close to the U.S. guided missile destroyer USS Donald Cook in the Baltic Sea in this picture taken April 12, 2016 and released April 13, 2016.  Two Russian warplanes with no visible weaponry flew near the destroyer in what one U.S. official described as one of the most aggressive interactions in recent memory.  (US Navy/Handout via Reuters )

Russian crew members transport T-80 tanks on a pontoon bridge during the Open Water competition for pontoon bridge units, part of the International Army Games 2016, in the city of Murom, Russia. (Reuters)

A Russian TOS-1A multiple rocket launcher fires during the opening of the Army-2015 international military forum in Kubinka, outside Moscow, Russia. (Reuters)

The Rostov-On-Don submarine sails past the guided missile cruiser Moskva during the Navy Day celebrations in Sevastopol, Crimea. (Reuters)