Russia will use in Iran only one air base, but with no time limits. Russian Military Space Forces may use the air base in Hamadan for the application of air strikes on Syrian territory as long as they need. This was stated by Iranian Defense Minister Hossein Dehgan.

Iranian Defense Minister Dehgan said that the airport “Hamadan” made available to the Russian pilots to Syria operations in the framework of strategic cooperation.

Source: katehon.com