Conversation

"With the ability to dive to about 8,000 meters, the vessel can cover 98% of Japan's Exclusive Economic Zone (EEZ) [but] it cannot fully descend to the seabed to take photographs from the bottom or collect samples"

"For the ”Full Depth” challenge at the deepest point in Earth's surface, 11,000 meters, a system combining a seabed-installed observation device and a small autonomous exploration vehicle is being developed"
https://mainichi.jp/english/articles/20251001/p2a/00m/0sc/013000c
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