Virgin Group head Sir Richard Branson sits on top of a solo piloted submarine during a photo opportunity at a news conference in Newport Beach, California on April 5, 2011.
Branson and explorer Chris Welch announced plans to launch the submarine to the deepest points of the world’s five oceans.
(REUTERS/Alex Gallardo) LOS ANGELES – Virgin Group founder Richard Branson, known for such exploits as trying to balloon around the world, said Tuesday he planned to explore the deepest parts of the world