Troops in Afghanistan after a handover ceremony this morning N.P.R. s Tom Bowman reports General Scott Miller is the coalition s 18th leader as the war enters its 17th year much of General Miller s career was spent in the shadowy world of special operations he was on the ground in Somalia during a Blackhawk Down episode in 5 years ago he ran special operations forces in Afghanistan during his confirmation hearing Senator Elizabeth Warren pressed Miller about what he would do differently going forward over the years she said so many officials have said the u.s. Is turning a corner in Afghanistan it appears we re going in circles I can t guarantee you a timeline or an end date I know that going into this position or offer necessarily a turning point unless there is something to come back and report back that something has changed Miller replaces General John Mick Nicholson Tom Bowman n.p.r. News Washington Islamist extremists in Somalia are claiming responsibility for a large explosion