US officials say Russia moved a small number of fighter jets to a base in Syria yesterday, hours after US Defense Secretary Ash Carter talked with Russia Defense Minister Sergei Shoigu in the first military contacts between the two countries in some time.
"Clearly, the presence of aircraft with air-to-air combat capacity ... And surface-to-air missiles raises serious questions," Kerry said, responding to a question after meeting with British Foreign Minister Philip Hammond. The Russians have deployed at least one such system, according to an American official, who was not authorized to discuss military matters and spoke on condition of anonymity.
Russia's military moves in Syria are its first major expeditionary force deployment outside the former Soviet Union since the war in Afghanistan, the official said.
Kerry said the military-to-military talks with the Russians are designed to make sure there are no incidents between Russian and American forces. The discussions also amount to a tacit acceptance of the Russian buildup, after weeks of warnings from Washington against any Russian escalation in Syria.
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"We're not being doctrinaire about the specific date or time we're open," Kerry said, adding that Assad doesn't have to leave "on day one, or month one, or whatever."
He later added that the US considered Assad a magnet for the foreign fighters who are filling the Islamic State group's ranks.
"So there's a lack of logic," Kerry said, for the Russians to say "they are bringing in more equipment to shore up Assad at the same time they say they are going after" the militants.