Astronaut Kathy Sullivan, who became the first American woman to walk in space in 1984, recently became the first woman to reach the deepest known part of the ocean.
Astronaut Kathy Sullivan, who became the first American woman to walk in space in 1984, recently became the first woman to reach the deepest known part of the ocean.
Kathy Sullivan, who flew in the Challenger space shuttle in 1984, is now the first woman to visit the “Challenger Deep."