Sierra Space Dream Chaser gets some help from GRC employees just

Final inspection of the crane operation just before the critical lift of the Sierra Space Plane, Dream Chaser. It will go into the chamber at ISP (In Space Propulsion) NASA GRC-ATF. Once lowered into the test chamber, it will be exposed to the harsh cold conditions of space for extended periods of time at building 3211 at ATF (Armstrong Test Facility) for environmental testing.