Russia military aviation deployed  to an airbase near Latakia  in Syria

It is important to note that  least 28 Russian combat aircraft in Syria inclu. 12 Su-25, 12 Su-24s & 4 Flankers Su-30SM

An Airbus Defence and Space satellite image courtesy of Stratfor, a geopolitical intelligence and advisory firm in Austin, Texas, shows at least 16 Russian combat aircraft stationed at the Bassel al Assad air base near the Syrian town of Latakia September 20, 2015.