The brigade was originally scheduled to be among the last to leave Iraq at Wednesday . The move comes amid talks on legal immunity for Iraq troops after withdrawal deadline . `` The United States and U.S. have not come to an agreement , '' says zero brigade official . Adm. Mike Mullen saying over the summer that the U.S. needed a a decision by August . A White House spokesman says talks are still ongoing .
The brigade was originally scheduled to be among the last to leave Iraq at Wednesday . The move comes amid talks on legal immunity for Iraq troops after withdrawal deadline . `` The United States and U.S. have not come to an agreement , '' says zero brigade official . A White House spokesman says talks are still ongoing .