Vanessa O'Brien reached the Challenger Deep on June 12, 2020, becoming the first woman to do so.
Vanessa O'Brien made history on June 12, 2020, by diving to the Challenger Deep, the deepest known point in the Earth's ocean, located in the Mariana Trench. By becoming the first woman to reach this point, O'Brien not only achieved her personal goal of exploring Earth's extremes, but she also encouraged greater female participation in the field of deep-sea exploration. This achievement was recognized globally and underscored her prominent role in pushing the boundaries of human exploration.