Last Updated: Indonesian Authorities Declare 53 Crew Members Of Missing Submarine Dead, Wreckage Found A missing submarine belonging to Indonesia has been found buried deep in the Bali Sea, the country’s army and navy officials said April 25. Image Credits: AP An Indonesian submarine, which went missing last Wednesday, has been found buried deep in the Bali Sea, the country’s army and navy officials said April 25. The rescuers found new objects, including a life vest that they believe belong to those aboard the 44-year old KRI Nanggala-402. In the aftermath, the authorities have declared that the submarine sunk after it lost contact, following which all its crew died.