Quote Originally Posted by Gold9472
34 minutes AFTER the SECOND tower was hit, a commercial airliner managed to penetrate Washington D.C. airspace, the most defended airspace in the world, and crash into the Pentagon.

I wonder why no one scrambled fighters immediately to defend Washington D.C. airspace at a time when America was "under attack" by kamikaze hijackers in commercial airliners...

Those are the kinds of questions I have about the Pentagon.
This is the advice I use.