A submarine that went missing off Bali with 53 people aboard earlier this week has "sunk," the Indonesian military said Saturday, noting that debris believed to have come from the vessel has been found.Search efforts for the KRI Nanggala-402 had been ongoing for several days since it disappeared early Wednesday, while oxygen supply in the vessel was feared to have run out early Saturday assuming that it had suffered a power outage."Since several days ago until today, we have found some debris around the location where the submarine was seen submerging that are believed to be components or p…READ FULL ARTICLE