As Russian intervention in Syria evolved from an endeavor aimed at compelling the United States to engage in military cooperation in the war against ISIS and al-Qaeda into an enterprise directly challenging the U.S.-led coalition, the issue of ensuring security, and in particular air defense of its bases, has gained the top priority.
Baev, Pavel K. (2016) Russian Military Bases in Cuba and Vietnam: A Real Threat?, CGI Analysis (1–2). 18 October.
