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Russian President Vladimir Putin (R) greets his Syrian counterpart Bashar al-Assad upon his arrival for a meeting at the Kremlin in Moscow on October 20, 2015. Assad, on his first foreign visit since Syria's war broke out, told his main backer and counterpart Putin in Moscow that Russia's campaign in Syria has helped contain "terrorism".  / AFP / RIA NOVOSTI / ALEXEY DRUZHININ        (Photo credit should read ALEXEY DRUZHININ/AFP/Getty Images)
Russian President Vladimir Putin (R) greets his Syrian counterpart Bashar al-Assad upon his arrival for a meeting at the Kremlin in Moscow on October 20, 2015. Assad, on his first foreign visit since Syria's war broke out, told his main backer and counterpart Putin in Moscow that Russia's campaign in Syria has helped contain "terrorism".  / AFP / RIA NOVOSTI / ALEXEY DRUZHININ        (Photo credit should read ALEXEY DRUZHININ/AFP/Getty Images)

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    What are Russia's objectives in Syria?

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What are Russia's objectives in Syria?

CNN's Matthew Chance explains why Russia wants to maintain its strong presence in the Middle Eastern country.

What are Russia's objectives in Syria?

CNN's Matthew Chance explains why Russia wants to maintain its strong presence in the Middle Eastern country.