FILE - In this undated file photo a Russian S-300 anti-aircraft missile system is on display in an undisclosed location in Russia. President Vladimir Putin said Tuesday, June 4, 2013, that Russia ... more 
FILE - In this undated file photo a Russian S-300 anti-aircraft missile system is on display in an undisclosed location in Russia. President Vladimir Putin said Tuesday, June 4, 2013, that Russia hasn’t yet fulfilled a contract to send sophisticated S-300 air defense missile systems to Syria to avoid tilting the balance of power in the region.(AP Photo, File) less 
1 / 27
Associated Press
Tue, Jun 4, 2013 9:26 AM EDT