The BriefA vehicle became disabled and caught fire on northbound I-5 near Nisqually, WA.Emergency crews are already on-scene ...

This data point is one of several key mysteries investigators are exploring as they seek to explain what caused the nation's worst air disaster in more than a decade, aviation experts said.

Search teams, including a Navy MH-60S helicopter, attempted to find the crew and the crash site. "Soldiers from 1st Special ...