Surface Sonar News Today

>> all right, thanks so much, john. lets take another break. coming up next on n"new day," a quiet town. what drove the young suspect to allegedly slash his way through a high school. well have more on this. also, a new signal heard in the indian ocean. surface sonar buoys hearing something possibly from the missing plane. but the inevitable underwater search still a huge task. were going to hear from a former faa inspector about what the crews are facing.