29 Mar 2019, 16:43 UTC · By: Daniel Patrascu / The five prototypes include to be tested have been engineered by Lockheed Martin, Northrop Grumman, Boeing, Sierra Nevada Corporation, and Bigelow Aerospace
1 May 2018, 08:27 UTC · By: Daniel Patrascu / Boeing says SpaceX's Falcon Heavy is a bit too small to transport the equipment needed by NASA for deep space exploration