Simply Amazing 9/11 Fact:

During the 9/11 time frame it just happens that:

The only time in the history of the United States of America that NORAD was taken over from its regular military commanders by the Vice President of the United States there just happens to be the 9/11 event.

So during the 9/11 time frame NORAD was being taken over by the Vice President of the United States in replace of regular military commanders trained to do the position.