Spotlight: U.S. Navy leaders urged to do better amid deadly ship collisions

A hearing on recent U.S. Navy incidents is held before Senate Armed Services Committee on Capitol in Washington D.C., the United States, on Sept. 19, 2017. Top leaders of the U.S. Navy were urged to do better on Tuesday as they appeared before the Senate hearing over a series of deadly ship collisions involving the Pacific fleet. (Xinhua/Yin Bogu)