Iran and Russia have held several naval drills in the Caspian Sea, including in 2015 and 2017. Iran and Russia have close ties, including in Syria where they both back President Bashar al-Assad in the country's civil war.
Iran and Russia have held several naval drills in the Caspian Sea, including in 2015 and 2017. Iran and Russia have close ties, including in Syria where they both back President Bashar al-Assad in the country's civil war.