Originally Posted by Infinity9999x
You misunderstood the movie. The plane never emitted an energy signature. It was the cube. "But the energy signature stop's here." The cube was emitting an energy signature, the plane never did. They didn't actually know where the plane hit the ground. Hence why it was basically impossible to locate.
I think they had way too much information not to know, using traditional means of tracking and triangulation.
"If you want your childhood back, take a trip back to your old school and try explaining to the real kids currently there why you don't like these movies."
Ironman3 needs "The Honest Trailer" treatment..asap.