An ex military man who was present was interviewed on the video Loose Change. https://www.youtube.com/watch?v=LvS34i2VKLM He said for sure he heard a missile. On this footage, a long white object appears next to the ground on the right edge of the screen 25 seconds in). In the next frame, there is the explosion.

An ex military man who was present was interviewed on the video Loose Change. He said for sure he heard a missile. On this footage, a long white object appears next to the ground on the right edge of the screen 25 seconds in). In the next frame, there is the explosion.