Troops from Russia's recently created National Guard interior troops join Russia's Victory Day parade this year. (Russian Presidential Press and Information Office)
BTR-82 vehicles painted in Arctic colors are on display at Russia's annual parade. (Russian Presidential Press and Information Office)
Russian Msta-S artillery vehicles parade through Dvortsovaya Square during the Victory Day military parade on May 9, 2018. (Olga Maltseva/AFP via Getty Images)
Russian sailors march at Red Square during the Victory Day military parade in Moscow on May 9, 2018. (Maxim Shipenkov/AFP via Getty Images)
Soldiers on ATVs carrying the pennants of famous Soviet Red Army formations: the 1st Ukrainian Front, the 4th Leningrad Front and the 4th Ukrainian front. (Russian Presidential Press and Information Office)
Russia's S-400 air-defense systems ride through Red Square during the Victory Day military parade in Moscow on May 9, 2018. (Kirill Kudryavtsev/AFP via Getty Images)
Russian servicewomen march at Red Square during the Victory Day military parade. Russia marked the 73rd anniversary of the Soviet Union's victory over Nazi Germany in World War Two. (Maxim Shipenkov/AFP via Getty Images)
Buk-M2 air-defense systems parade through Red Square during a military parade on May 9, 2018. (Kirill Kudryavtsev/AFP via Getty Images)
Tor-M2 anti-air systems in Arctic colors take to the street during a Russian military parade. (Russian Presidential Press and Information Office)
A Terminator-2 tank support fighting vehicle, right, drives during the joint Russian-Belarusian military exercise Zapad 2017. The BMPT-72 Terminator tank was shown off at Russia's annual Victory Day military parade on May 9, 2018. (Vasily Maximov/AFP via Getty Images)
Russian military hardware takes part in the Victory Day parade in Volgograd on May 9, 2018. (Mladen Antonov/AFP via Getty Images)
The Yars R-24 intercontinental ballistic missile takes to the street during Russia's annual military parade. (Russian Presidential Press and Information Office)
Attendees got a glimpse of the Uran-9 unmanned combat vehicle, which recently saw testing in Syria. (Russian Presidential Press and Information Office)