Admiral Yudo said that the condition of the debris indicated that the submarine had not exploded, as has happened in other fatal submarine incidents. Instead, the submarine cracked, he said, which would be consistent with the tremendous pressure exerted at such depths.
While the Bali Sea has relatively shallow parts, there are also trenches that dig deep into the earth.
Admiral Yudo said it was not clear what had caused the submarine to sink in the first place. But naval experts said it was likely that the vessel had descended sharply and rapidly, given that it did not respond to sonar pings or give any other indications of its whereabouts.
About 3 a.m. on Wednesday, the Nanggala requested permission to descend and begin the torpedo-firing drill. The permission was granted, and that was the last communication with the submarine.
One of the people aboard the Nanggala on its final journey was Col. Harry Setyawan, the commander of Indonesia’s five-vessel submarine fleet. A top graduate of his naval academy class, Colonel Harry began his submarine career aboard the Nanggala.
As they waited for news of his fate, his oldest son, Sheeva Naufal Zidane, said he wanted to follow in his father’s footsteps as a submarine sailor.
“Ever since I was a kid, I wanted to be on a submarine, because my father is cool,” he said.
Dera Menra Sijabat contributed reporting from Sidoarjo, Indonesia.
Source Article from https://www.nytimes.com/2021/04/24/world/asia/indonesia-submarine-missing.html
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