Dream Chaser Captive Carry Test

Sierra Nevada Corporation (SNC) Space Systems' Dream Chaser mini-shuttle is lifted by an Erickson Air-Crane helicopter near the Rocky Mountain Metropolitan Airport in Jefferson County, Colo., on May 29, during a captive-carry test. The mini-shuttle, designed to carry passengers to Earth orbit, will begin free flight tests later this summer. Video: Sierra Nevada Corp. (03:47)