Deadly S-400 anti-aircraft missile ‘ring of steel’ protects Assad: U.S. fears network of Russian air defense that can shoot down 80 planes at once from 248 miles away and is ‘one of the most feared weapons in the world’

Russia has vowed to shoot down any US missiles aimed at Syria using its lethal anti-aircraft system amid mounting tensions between Moscow and Washington.

Syrian dictator Bashar al-Assad’s regime is protected by fearsome S-400 defence missiles in a ‘ring of steel’ around the country provided by the Kremlin.

The most advanced of Russia’s terrifying S-400 systems is designed to destroy aircraft, cruise and ballistic missiles, including medium-range missiles, and can also be used against ground objectives, according to Russia.