The George S. Patton Museum and Center of Leadership at Fort Knox includes an exhibit highlighting leadership issues that arose from the attacks of 11 September 2001 , which includes two firetrucks . One of them , designated Foam 161 , was partially charred and melted in the attack upon the Pentagon . Fort Knox is also the location of the United States Army 's Human Resources Command 's Timothy Maude Center of Excellence , which was named in honor of Lieutenant General Timothy Maude , the highest-ranking member of the U.S. military to die in the attacks of 11 September 2001
attacks of 11 September 2001
September 11 attacks
Fort Knox