NASA commercial crew program : significant work remains to begin operational missions to the Space Station: report to congressional committees

Corporate Author:: United States. Government Accountability Office
Additional Titles:: National Aeronautics and Space Administration commercial crew program : significant work remains to begin operational missions to the Space Station and Significant work remains to begin operational missions to the Space Station
Published:: Washington, DC : United States Government Accountability Office, 2020.
Physical Description:: 1 online resource (ii, 22 pages) : color illustrations