Originally posted by Zaphod58
1. Not all the exercises were "real". They were computer simulations not involving real people or aircraft.
Though there is evidence from transcripts with members of relevent agencies that there
were some live excercises, meaning
real planes in
the air, which has been posted a few times.
Other than evidence like that, I don't think anyone can positively determine what excercises were or were not live or just comp. simulations, because
the details on the games were never released.
If I'm not mistaken, these specific games take place once a year, falling on different days each year. So the chances of them falling on 9/11 was
pretty coincidental in the first place, let alone the NRO's excercise on the very morning of 9/11 simulating a plane crashing into
their
building.