it is impossible for the world trade center to fall. >> 74 gander good day you identified clear on course 513,000. quickset morning we saw the activity went on in new york or saying there's going to be some tangle today trying to cope with this mess and of course it was in our lap. >> reduce simulation exercises for hectic situations. but we've never had anything like that. never seen anything like that. it was beyond the wildest very. >> gander was by the u.s. military. they were looking for a place to land their planes to refuel to go across to partake in the second world war. this was the best location. gander it was known a crossroads of the world. >> goes on 20 minutes i got a call from the time managers saying you better come in. it looks like the united states is going to be closing its airspace. he said it looks like we are expecting some planes.