We accomplished that by November 2001.
Since then we are concerned with girls going to school.
Incorrect. We didn't accomplish our war objectives in Afghanistan until we killed Bin Laden.
That being said, we're not fighting a war there anymore and have been since Bin Laden died. We're using Afghanistan as a base of operation to combat Islamic terrorism that threats national security.
And, should remain in Afghanistan just like we've remained in Germany for 70 years after WWII.