RIA Novosti 
June 14, 2013
Russia is not planning to deliver S-300 air defense systems to Syria, despite the announcement by the US administration on Thursday of its intention to supply the Syrian opposition with weaponry, a presidential aide said on Friday.
“The issue has not been raised yet,” aide Yury Ushakov told  reporters in Moscow in comments on the US move.
“We are not competing [with Washington] on Syria, on the contrary, we are seeking a constructive solution to this issue which is vital for the situation in the region and the world,” Ushakov said.
Russian officials have previously said they will deliver on existing arms deals with Syria involving “defensive weapons,” but President Putin said recently that the S-300 sale had not been completed.
The delivery of S-300 is of significance, defense analysts say, as it is a highly capable system which would make any outside intervention by foreign air forces extremely hazardous.
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