Japan submarine collision left more damage than initially thought

The Japanese Maritime Self-Defense Force submarine that collided Monday with a commercial vessel in the Pacific Ocean off the western main island of Shikoku suffered more extensive damage than initially thought, MSDF officials said Tuesday.Part of the 84-meter-long Souryu's conning tower was warped and its starboard hydroplane, which helps control depth, was broken, they said.The collision may have been caused by human error including failure to sufficiently check the surroundings with sonar as the submarine surfaced, Defense Ministry sources said Tuesday. There was no reported trouble with…READ FULL ARTICLE