Kathy Sullivan, America’s first female spacewalker, also became the first woman to reach the deepest known point of the ocean. Sullivan dove to the bottom of the Challenger Deep and safely returned in ...
This astronaut just successfully reached the lowest point on Earth. Kathy Sullivan soared to new heights when she became the first American woman to walk in space in 1984. On Monday, she broke a new ...
National Security Journal on MSN
‘Uncontrollable Flooding’ Caused A U.S. Navy Nuclear Submarine to Implode
The 1963 loss of the nuclear submarine USS Thresher with all 129 personnel aboard was a pivotal disaster that transformed U.S ...
A stunning discovery has been made 36 years after the Challenger space shuttle disaster. NASA officials tell ABC13 that a 20-foot segment of the shuttle was discovered and recovered by divers off the ...
The deepest part of any of the world’s oceans, known as Challenger Deep, is a portion of the Mariana Trench that goes down to ...
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