In these years, air power has, in fact, been closely associated with one fiasco or policy disappointment after another. To take a single recent example: President Obama began his “no boots on the ground” air campaign against the Islamic State (IS) and its “caliphate” in Syria and Iraq in September 2014. Now, more than a year and thousands of air strikes later, though large numbers of IS militants and some of its leaders have died, the movement continues to more than hold its own in Iraq, while expanding into new areas of Syria. There is no evidence that Washington’s air war in support of well… it’s a little unclear who