Complex sentence: An airstrike north of Sinjar destroyed an ISIL fighting position used to launch mortar attacks and struck a small ISIL unit manning the position, and two additional strikes north of Sinjar struck a small ISIL unit and destroyed an ISIL armored vehicle.
Split into simpler sentences: An airstrike north of Sinjar destroyed an ISIL fighting position used to launch mortar attacks, and struck a small ISIL unit manning the position. Two additional strikes north of Sinjar struck a small ISIL unit and destroyed an ISIL armored vehicle.