Private company Sierra Nevada announced, that in 2012 will be the first flight of the spacecraft Dream Chaser. First, the spacecraft will be delivered to the upper atmosphere docked to the special aircraft WhiteKnightTwo from company Virgin Intergalactic and already from the upper atmosphere will launch of the Dream Chaser. But the first flight will be carried out automatically, without a crew, as this will be the first flight of its kind in the history of space exploration.