![Dmitry Medvedev [right] speaks with Iranian President Mahmoud Ahmadinejad during their bilateral meeting in Dushanbe on August 28, 2008](http://www.telegraph.co.uk/telegraph/multimedia/archive/00798/iran-Medvedev-460_798407c.jpg)
Russian President Dmitry Medvedev [right] speaks with Iranian President Mahmoud Ahmadinejad during their bilateral meeting in Dushanbe on August 28, 2008 Photo: AFP/GETTY
US intelligence fears the Kremlin will supply the sophisticated S-300 system to Tehran if Washington pushes through Nato membership for its pro-Western neighbours Georgia and Ukraine.
The proposed deal is causing huge alarm in the US and Israel as the S-300 can track 100 targets at once and fire on planes up to 75 miles away.
That would make it a “game-changer”, greatly improving Iranian defences against any air strike on its nuclear sites, according to Pentagon adviser Dan Goure. “This is a system that scares every Western air force,” he said.
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