In the conventional sense that the US ultimately failed. Yes they managed to blow up a lot of things and kill a lot of people, but it's difficult to argue that US national interests have been improved, let alone with any durability. In some respects it's fairly uncontroversial to say that US interests have suffered a net loss.

What exactly has US accomplished in Afghanistan and Iraq.

George Bush in 2003 had the Mission Accomplished banner, if the mission was accomplished, what are US soldiers still doing in Afghanistan and Iraq.