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
Shire of Diamantina Shire of Diamantina The Shire of Diamantina is a local government area in Central West Queensland, bordering South Australia and the Northern Territory. Its administrative centre is in the town of Bedourie. Like most places in Queensland with the "Diamantina" name, it was named after Lady Diamantina Bowen (née Roma), the wife of the first governor of Queensland, Sir George Bowen. It covers an area of , and has existed as a local government entity since 1879. The town of Birdsville is home to the iconic Birdsville Races, a horse race meeting to raise money for the Royal Flying Doctor