NASA Dream Chaser

August 23, 2013 - 12:36 AM
This image provided by NASA shows a Sikorsky S-64 Sky Crane helicopter lifting Sierra Nevada Corp.'s Dream Chaser test spacecraft into the air for a captive carry test at NASA's Dryden Flight Research Center Thursday, Aug. 22, 2013, in California. The Dream Chaser Space System mission is to provide NASA with a safe, reliable commercially-operated transportation service for crew and cargo to the International Space Station and back to Earth. (AP Photo/NASA, Ken Ulbrich)