KEY POINTS
  • The two pilots on board Virgin Galactic's spacecraft Unity become the company's first astronauts.
  • Virgin Galactic said the test flight reached an altitude of 51.4 miles, or nearly 83 kilometers.
  • The spacecraft also carried four NASA-funded technology experiments on board.

Virgin Galactic completed its longest rocket-powered flight ever on Thursday, taking a step ahead in the nascent business of space tourism.

The two pilots on board Virgin Galactic's spacecraft Unity became the company's first astronauts. Virgin Group founder Richard Branson was on hand to watch the historic moment.