Let us not forget that prior to 9-11 (for whatever it really was) an agent in the Arizona F_I office sent a report about people learning to fly but not land.
https://www.cbsnews.com/news/fbi-was-warned-about-flight-schools/
Let us not forget that prior to 9-11 (for whatever it really was) an agent in the Arizona F_I office sent a report about people learning to fly but not land.
https://www.cbsnews.com/news/fbi-was-warned-about-flight-schools/