latered learned it wasn't just any helicopter. when the first pictures of the wreckage emerged hours later, aviation websites went wild. this, it turns out, was the stealth version of the blackhawk the u.s. had been rumored to be developing for years, designed for near-silent, invisible operation. in the coming days, neighborhood children were seen picking through the pieces of what just hours earlier had been among the mighty u.s. military's best-kept secrets. back inside the situation room, listening to admiral mccraven's play-by-play of the mission, you'd never know something had gone wrong. >> that room had tremendous confidence, because, indeed, the officer commanding this operation, admiral mccraven, didn't have a change in innotation in his voice. >> mccraven apparently didn't change his style of speech. he said, we've amended the