Kathy Sullivan
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Meet The Only Human To Have Ever Been Up In Orbital Space And Down Below At Maximum Ocean Depth
Thirty-six years after blasting off in the Space Shuttle Challenger, Kathy Sullivan was aboard Caladan Oceanic's flagship support vessel en route to Challenger Deep — the bottom of the Mariana Trench. 
Thirty-six years after blasting off in the Space Shuttle Challenger, Kathy Sullivan was aboard Caladan Oceanic's flagship support vessel en route to Challenger Deep — the bottom of the Mariana Trench.
