Diving deeper into the world's oceans than before
cnn.com
cnn.com
They kept a blog throughout the certification process: https://ndsf.whoi.edu/category/alvin-6500/page/6/
We're hiring engineers of various stripes: https://careers-whoi.icims.com/jobs/search?ss=1&searchCatego...
Other submersibles can go deeper. The bathyscaphe Trieste was the first to reach the deepest point of the sea, back in 1960.
https://en.wikipedia.org/wiki/Deep-submergence_vehicle lists examples when at least one of those qualifiers is removed.
Why isn't the Japanese DSV Shinkai 6500 available to the U.S. scientific community? https://en.wikipedia.org/wiki/DSV_Shinkai_6500 and https://www.jamstec.go.jp/e/about/equipment/ships/shinkai650... . It can also dive to 6,500 meters.