May 9 is one of Russia's most significant holidays, as many Russians are related to someone who was killed during World War II.
This year, Victory Day is set to be one of the most-watched parades in years.
It comes as the Kremlin still lacks a major win in its two-month war in Ukraine, which it bills as a "special military operation" to demilitarize and "de-Nazify" its neighbor.
As a result, speculation that President Vladimir Putin could declare official war on Ukraine or order mass militarization has abounded.
Here's a look at the ongoing rehearsals along central Moscow's streets: