It really depends on what degree of accuracy you’re looking for. If it’s just crashing a plane, that takes no more competency than crashing a bus. There is software available. It comes up and it’s...

At that point, the flight crew might still have been alive. Then, they’ve taken the aircraft to its destination, and they [the hijackers] kill the crew once the building is in sight.

People are calling here with threats, saying we are a terrorist training institute. We’ve trained thousands of commercial pilots. We’ve trained astronauts. If any of our students are associated with this, it is very sad.

You have to think it was by design, that they didn’t want to go on a flight with the chance of the passengers working against them. If you’ve got the threat of a bomb or...