error, not human error, - because they followed the right procedures during the dive. from the very beginning of the dive report, we have heard the preparation procedures were carried out properly. and when it dived, the lights were still on, so there was no blackout. after it was reported missing, warships, planes and hundreds of military personnel carried out a frantic search, hoping for a miracle rescue before oxygen reserves ran out. but an oil spill was spotted where the vessel was thought to have submerged, pointing to possible fuel tank damage and a catastrophic accident. translation: we, the people of indonesia, would like to convey . deep sadness for this incident, especially to the family of the submarine crew. the crew were the nation's best sons, best patriots,