Iran announces the downing of the 14th US MQ-1 unmanned aerial vehicle The Islamic Revolutionary Guard Corps (IRGC) has announced that it shot down an American MQ-1 unmanned aerial vehicle east of the Strait of Hormuz, off the coast of Sirik. In a statement, the Revolutionary Guards said its aerospace force detected and destroyed the UAV using a new advanced air defense system operating under Iran's Integrated Air Defense Network. He added that the UAV was the 14th MQ-1 intercepted and destroyed by its air defenses. Each MQ-1 UAV is estimated to cost about 4 million dollars.