In war, even the most advanced aircraft can be shot down, special operations forces can be ambushed, and well-defended airports and army bases can be shelled and weakened from afar by simple, indirect-fire weapons. Such was the case in an attack claimed by the Islamic State on a strategic loyalist air base in central Syria. Satellite imagery acquired by Stratfor in partnership with AllSource Analysis verifies that the T4 air base was severely damaged by an Islamic State artillery attack. In particular, four Russian Mi-24 attack helicopters appear to have been destroyed....