Syrian air force, vital for regime, sags

Syrian warplanes have been bombing the northern cities of Homs and Raqqa, and even the outskirts of Damascus, to block advancing rebel forces, attacks that underline the critical role the air force in the Damascus regime's battle to stay in power. "The Syrian air force is the main advantage the regime has over the rebels," the U.S. global security consultancy Stratfor observed.

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