controls to the co-pilot and can be heard yelling open the door and then you can hear bangs. you can recall after 911 attacks cockpit doors were reinforced to keep intruders from getting inside and taking over the controls. tom, the reinforcement on the cockpit doors makes them nearly impossible to destroy, i guess. >> nearly impossible is right. especially if you can consider whatever they had at their disposal on a plane like this. from the cabin area you can see the key pad a pilot would use to get in if it's not locked by the cockpit and it was. let's look at the architecture of the door. there's emergency panel down here for escape but that only works from the inside. the hinges are reinforced over here. there are three electronic bolts going down the side that go in the frame of the airplane and