The aircraft carrier USS George H.W. Bush and two other U.S. Navy ships arrived in the Persian Gulf Sunday, as Iraqi troops mobilized to defend their country from a wave of Sunni insurgents taking over cities, NBC News reported. The USS George H.W. Bush was ordered to the Persian Gulf Saturday to protect American interests in the region. Meanwhile, at least 15 people were killed and more than two-dozen were injured in explosions in Baghdad on Sunday, Iraqi police and hospital officials told the Associated Press. A U.S. military official confirmed to NBC News that "fewer than 100" Department of Defense personnel will bolster security at U.S. diplomatic facilities in Baghdad.
