it was doing training exercise or if it was a sign of problems. naval extraction teams just arrived on the scene in the past hour. they have a tough job ahead because this is an isolated spot where the plane crashed, about a mile hike in. no roads anywhere close. so they say they could be here until friday figuring out what went wrong in the mountains. >> shepard: where does the investigation go from here? >> the extraction teams just went in, bringing teams to search the debris. they're bringing a helicopter to spot the debris to figure out what went wrong, figure out all the places the debris landnd to find out why the plane crashed on a routine training flight. >> shepard: justin gray from fox 5, waga, great to see you. >> meanwhile, an american