Depends on the definition of "accomplished"

NY Times June 18, 2005:

Bush acknowledged discontent over his decisions but signaled no shift in policy or timing for the American presence in Iraq.

"Some may disagree with my decision to remove Saddam Hussein from power, but all of us can agree that the world's terrorists have now made Iraq a central front in the war on terror," he said. "This mission isn't easy, and it will not be accomplished overnight."

USA Today June 5, 2003:

"America sent you on a mission to remove a grave threat and to liberate an oppressed people, and that mission has been accomplished," he said. Despite growing doubts at home and abroad, he reiterated that troops would find weapons of mass destruction, which were his rationale for striking first at Iraq.