The S-300 anti-aircraft missile system at the Victory Parade, Red Square, 2009. Photo: Wikipedia.

Russia has not yet delivered the S-300 air defense missile system to the Syrian regime and may not do so until 2014, if at all, Russian media reported Friday.

The Vedomosti daily cited a Russian defense industry source as saying it was unclear if the S-300s would be delivered to Syria this year while the Kommersant daily quoted a source as saying that delivery would not take place until next year.

The Interfax news agency quoted an arms export source as saying that any deliveries of the S-300s, were they to take place at all, would be made “no earlier than autumn.”

In an interview Thursday Syrian President Bashar al-Assad said that Syria had already received some of the missiles and would receive the rest of the shipment “soon.”

The Russian media reports also said that if Syria does receive the shipment it will still take another six months for Syrian forces to be trained on how to use them.