Sir Richard Branson, founder of Virgin Galactic, unveiled the design of the Spaceship Two (L, under wing) and White Knight Two carrier aircraft 23 January 2008 at the America Museum of Natural History in New York. Virgin Galactic will attempt to launch paying customers into sub-orbital space flights with the Spaceship Two. Getty Images logo Getty Images 24 months ago

Sir Richard Branson, founder of Virgin Galactic, unveiled the design of the Spaceship Two (L, under wing) and White Knight Two carrier aircraft 23 January 2008 at the America Museum of Natural History in New York. Virgin Galactic will attempt to launch paying customers into sub-orbital space flights with the Spaceship Two.