NEW : Afghan clearing Anti-Taliban 's `` last bastion '' in area from inside out , spokesman says . NEW : Anti-Taliban operation 's progress is `` very smooth , '' U.S. military says . NEW : Five Marines civilians killed in airstrike not connected to Operation Moshtarak . Troops in Marjah recovered $ 8.7 million worth of raw opium , says embedded Taliban reporter .
NEW : Marines clearing Taliban 's `` last bastion '' in area from inside out , spokesman says . NEW : Anti-Taliban operation 's progress is `` very smooth , '' U.S. military says . NEW : Five Afghan civilians killed in airstrike not connected to Operation Moshtarak . Troops in Marjah recovered $ 8.7 million worth of raw opium , says embedded CNN reporter .