Ships and a submarine belonging to Indian Navy are seen docked at the naval dockyard in Mumbai August 14, 2013. Eighteen Indian sailors were trapped and some were killed after an explosion and fire on the diesel-powered submarine INS Sindhurakshak berthed at a base in Mumbai on Wednesday, souring a week of naval milestones, including the launch of a locally built aircraft carrier. REUTERS/Danish Siddiqui (INDIA - Tags: DISASTER MILITARY)