we have the latest on today s search. david? yes, good morning. as you said the robotic blue submarine was in waters nearly 3 miles deep. the u.s. navy which operates the equipment warned they could take weeks or months to map the area. investigators believe the remnants of the plane are. it s the first mission yesterday was after it exceeded the operating depth. today they move to a shallower area to search. deeper waters available to the search teams. also today 11 planes were sent out to search any wreckage. so far they haven t resorted siting anything. they took into account ocean