epa10616759 Russian S-400 anti-aircraft missile systems drive during a Victory Day military parade on Red Square in Moscow, Russia, 09 May 2023. Russia marks the 78th anniversary of the victory in World War II over Nazi Germany and its allies. The Soviet Union lost 27 million people in the war. EPA/STRINGER

epa10616771 T-34 Soviet-era tank attends a Victory Day military parade on Red Square in Moscow, Russia, 09 May 2023. Russia marks the 78th anniversary of the victory in World War II over Nazi Germany and its allies. The Soviet Union lost 27 million people in the war. EPA/STRINGER

epa10616755 Russian servicemen march during a Victory Day military parade on Red Square in Moscow, Russia, 09 May 2023. Russia marks the 78th anniversary of the victory in World War II over Nazi Germany and its allies. The Soviet Union lost 27 million people in the war. EPA/STRINGER

epa10616675 Russian President Vladimir Putin (C) delivers his speech during a Victory Day military parade on Red Square in Moscow, Russia, 09 May 2023. Russia marks the 78th anniversary of the victory in World War II over Nazi Germany and its allies. The Soviet Union lost 27 million people in the war. EPA/GAVRIIL GRIGOROV / SPUTNIK / KREMLIN POOL MANDATORY...

epa10616892 Russian veteran Kurbakov Konstantin, 96, arrives to the Gorky park in downtown of Moscow, Russia, 09 May 2023. Russia marks the 78th anniversary of the victory in World War II over Nazi Germany and its allies. The Soviet Union lost 27 million people in the war. EPA/MAXIM SHIPENKOV

epa10616758 Russian servicemen march during a Victory Day military parade on Red Square in Moscow, Russia, 09 May 2023. Russia marks the 78th anniversary of the victory in World War II over Nazi Germany and its allies. The Soviet Union lost 27 million people in the war. EPA/STRINGER