Last year after the Crimean parliament declared its independence from Ukraine on March 17, Russia moved two units of S-300PM (5P85Ts) to the Hvardiyske Air Base. Four days later, satellite imagery from March 21 confirmed the move.
Bellingcat: Russia jumped S-300 from Hvardiyske Airbase

People walk past a graffito depicting Russia's President Vladimir Putin in the Crimean city of Simferopol on Aug. 21.