DefenceTalkWashington: Russian warplanes battered the Islamic State stronghold of Raqa in Syria on Tuesday, after giving the United States a “professional” warning of an imminent strike, US officials said. Pentagon press secretary Peter Cook said it was the first time Russia had shared information on “some of their operations” since Moscow began its bombing campaign […]https://www.defencetalk.com/russia-strikes-is-stronghold-raqa-after-warning-us-65870/