
US and coalition airpower intervened, releasing 1,200 weapons in strikes during August and September 2014.

Three months later, ISIS fighters were battling Iraqi forces less than 25 miles from Baghdad. The 112-day siege proved to be the turning point in America’s commitment to fighting in Syria, and a battle lab for dynamic air and ground tactics. As Turkish tank crews watched tensely from across the border, the US Air Force and coalition airpower went into action, making supply drops and hitting surrounding ISIS forces with bombs dropped from B-1B bombers. When the so-called Islamic State set its sights on Kobani, Syria, in mid-September 2014-encircling Kurdish fighters there-then-Secretary of State John Kerry warned that the city couldn’t be saved.

A coalition air strike on an ISIS target in Kobani, Syria, also known as the “Kurdish Alamo” in October 2014.
