Deep-submergence vehicle
The Incredible Woman Who Walked in Space and the First Woman to Reach the Mariana Trench
A former NASA astronaut who was the first American woman to walk in space has become the world's first woman to reach the deepest point on Earth.
36 years after my space walk, I became the first woman to dive to the deepest known spot in the ocean - the Challenger Deep. #WorldOceansDay pic.twitter.com/KWJxx4fBYR
— Kathy Sullivan (@AstroKDS) June 9, 2020