Several rockets fired by pro-Iranian fighters have hit a military base in western Iraq, injuring at least 5 U.S. personnel, according to U.S. and Iraqi officials. One of those wounded was said to be seriously injured. The attack on Monday night targeted the Ain al-Asad airbase, where two Katyusha rockets were reported to have fallen. A third rocket fell on a nearby village without causing any damage or casualties. “We can confirm there was a suspected rocket attack today against U.S. and Coalition forces at Al Asad Airbase,” the Pentagon said in a statement. “Iraq. Initial indications are that…