WELLINGTON, New Zealand (AP) — If a wing fragment found in the western Indian Ocean turns out to be part of missing Flight 370, experts say, there are probably other pieces of the aircraft that floated off rather than sinking to the bottom of the ocean. Finding them remains the hard part. John Page, an aircraft design expert at the University of New South Wales in Australia, said the discovery of the fragment last week on Reunion Island leads him to conclude the missing Boeing 777 broke up, most likely when it hit the water nearly 17 months ago.