U.S. officials said in February that Iraqi forces could go into action in April or May . Officials say now that there 's no solution , an invasion will occur sooner or later . They say that recapturing Mosul from rubble could be a complicated endeavor .
U.S. official said in February that Iraqi troops could go into Mosul in April or May . Officials say now that there 's no timetable , an invasion could come sooner or later . They note that recapturing Mosul from ISIS could be a complicated endeavor .