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
Rocky Mountain Trench Castlegar, BC after a meander through the United States as the Kootenai River (US spelling). For convenience the Rocky Mountain Trench may be divided into two sections, the Northern Rocky Mountain Trench and Southern Rocky Mountain Trench. The dividing point reflects the separation of north and easterly flows to the Arctic Ocean versus south and westerly flows to the Pacific Ocean. A break in the valley system at ~54°N near Prince George, British Columbia may be used for this purpose. The northern portion of the Trench is dominated by strike-slip faulting, while the southern part of the Trench was created