Explanation:

• The Indonesian navy submarine ‘KRI Nanggala (402)’, that went missing on 21 April 2021, in the waters off the coast of Bali Island, is reported to be found split into three pieces on the sea bed, at a depth of 850 meters.
• Indonesian military leaders declared that the KRI Nanggala is divided into three parts: the hull of the ship, the stern of the ship, and the main parts, which was found cracked.
• All the 53 crew aboard the submarine have been confirmed dead.