On Tuesday, Russian Defense Minister, Sergey Shoigu, announced that Russian military has launched a large-scale operation against terrorists stationed in Homs and Idlib provinces of Syria. According to the Russian Defense Minister, the operation involves the frigate Admiral Grigorovich that has made launches of Kalibr cruise missiles, Bastion coastal defense systems and, for the first time in the Navy’s history, the aircraft carrier Admiral Kuznetsov has started to take part in combat operations. Shoigu asserted that strikes are focused on ammunition depots, groups of terrorists and their training centers, as well as facilities being used to manufacture mass destruction means that are used against civilians. President Vladimir Putin previously ordered the Defense Ministry to provide reliable air cover for the Russian forces in Syria. On Tuesday, Shoigu said the Russian military has been covered with S-300 and S-400 Triumph air defense systems.