article_snippet.sent: (CNN)The underwater search area for missing Malaysia Airlines Flight 370 looks set to double in size.
article_snippet.sent: If the searchers haven't found anything by the time the searchers've covered the entire 60,000-square-kilometer priority zone, The search of the current priority zone will stretch into a new equally vast area, government officials from Malaysia, Australia and China announced Thursday.
article_snippet.sent: At that point, "all high probability search areas would have been covered," government officials from Malaysia, Australia and China said Thursday.
article_snippet.sent: The size of the doubled search area, the equivalent of more than 46,000 square miles, would be bigger than the U.S. state of Pennsylvania.