Robert Iverson was on his annual leave from the Army when he woke up at six in the morning on Sept. 11, 2001, with a sick feeling in his gut. He turned on the TV just in time to see the second plane hit the World Trade Center. “It’s a mixed feeling,” the 33-year-old Roseburg resident said. “You feel vulnerable and after that you feel anger and then you want to do something.” He immediately wanted to get back to his unit stationed in South Korea. “Korea is a lot closer to Afghanistan,” Iverson said. About 18 months after the …