Joint Chiefs Chairman Gen. Martin Dempsey says ISIS almost reached Baghdad airport . Apache helicopters were used to protect the airport , he said . The U.S. military has been bombing targets in Iraq and Syria for more than a year.
Joint Chiefs Chairman Gen. Martin Dempsey says ISIS almost reached Baghdad airport . Apache helicopters were used to protect the airport , he said . President Barack Obama has insisted he will not put U.S. forces on the ground .