The US launched airstrikes against Iraq's Islamic State militants this morning. "US military aircraft conduct strike on ISIL artillery," tweeted Rear Adm. John Kirby. "Artillery was used against Kurdish forces defending (Irbil), near US personnel." He confirms that F/A-18 jets dropped a pair of laser-guided 500-pound bombs on militants towing artillery at about 6:45am Eastern, reports the AP. US military trainers are stationed nearby. More: