Vladimir Putin is "significantly escalating" his campaign in Syria and the United States is "running out of options," an expert on Russia said on Happening Now

Russia has deployed a cutting-edge anti-missile system to Syria for the first time, U.S. officials confirmed to Fox News, the latest indication that Moscow continues to ramp up its military operations in Syria in support of President Bashar al-Assad.

It comes one year after Russia started its bombing campaign in Syria and on the heels of cease-fire talks between the U.S. and Russia breaking down. 

Peter Doran, vice president of research at The Center for European Policy and an expert on Russia and Ukraine, said that by deploying the anti-missile system, Putin is trying to set up a "military bubble" in Syria and deter the U.S. from using air power.

"It shows that Russia is anticipating the next step in a possible U.S. military response after the breakdown in negotiations. Russia is raising the stakes," said Doran.

He concluded by saying that the U.S. is "running out of options" when it comes to stopping Russia from operating in Syria.

Doran said that for eight years, the Obama administration's strategy has been to negotiate with Russia, but explained that Putin will not respond until the U.S. negotiates "from a position of strength."

"[Obama's] gamble was that Russia would do its part to ease the humanitarian suffering in Syria and that simply has not happened," said Doran.

Watch his full analysis above.

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