The idea is older than that. In WWII Japanese kamikaze pilots deliberately crashed into US warships with some regularity.
CurlyDave wrote:
...The idea of terrorist using an airliner as a weapon goes back to a Tom Clancy novel...
The idea is older than that. In WWII Japanese kamikaze pilots deliberately crashed into US warships with some regularity.
Yes, indeed they did! A related question: Why did kamikaze pilots ear helmets? JK
ear = wear helmets? JK