DeepFlight Challenger point of each of the world's five oceans, the Mariana Trench of the Pacific Ocean (36,201 ft), the Puerto Rico Trench of the Atlantic Ocean (28,232 ft), the Diamantina Trench of the Indian Ocean (26,401 ft), South Sandwich Trench of the Southern Ocean (23,737 ft), and Molloy Deep of the Arctic Ocean (18,399 ft). The Cheyenne yacht will be used as the mothership for the dive efforts. It was planned that Branson would pilot the sub to the Puerto Rico Trench, while Chris Welsh would pilot it for the Mariana Trench dive. Virgin Oceanic had hoped to be the first
Romanche Trench Romanche Trench The Romanche Trench, also called the "Romanche Furrow" or "Romanche Gap", is the third deepest of the major trenches of the Atlantic Ocean, after the Puerto Rico Trench and the South Sandwich Trench. It bisects the Mid-Atlantic Ridge (MAR) just north of the equator at the narrowest part of the Atlantic between Brazil and West Africa, extending from 2°N to 2°S and from 16°W to 20°W. The trench has been formed by the actions of the Romanche Fracture Zone, a portion of which is an active transform boundary offsetting sections of the Mid-Atlantic Ridge. It was name after