Stratfor Verifies ISIS Destroyed 4 Russian Helicopters In Shelling On May 14 Near Palmyra May 24, 2016 Putin In SyriaSpotlight ISIS appears to have had accurate intelligence on the T4 airbase. ISIS Palmyra Palmyra offensive Russian air force Russian military intervention in Syria Russian support for Bashar al Assad Shaer gas fields Syria Syrian Arab Air Force Syrian Civil War T4 Tadmor Tiyas Airbase
