Chinese scientists have made a breakthrough in understanding deepwater sound communication after conducting China’s first acoustic test in the Mariana Trench, the deepest part of the world’s oceans.

The marine acoustic research could have military applications, according to Collin Koh Swee Lean, a research fellow with the Maritime Security Programme at the S. Rajaratnam School of International Studies, Nanyang Technological University in Singapore.

“Civilian research projects can feed into military uses, like in this case, understanding acoustic characteristics in the trench can promote deep-sea acoustic research, helping scientists refine sonar technology, which will aid in honing one’s anti-submarine and underwater warfare capabilities,” Koh said.

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