Blue Origin and defence contractor Dynetics had filed a protest with the US GAO against NASA for awarding $2.9 billion contract to SpaceX for landing astronauts on the Moon by 2024.
While billionaire Branson is set to fly to space aboard his Virgin Galactic's VSS Unity spaceplane on July 11, Amazon Founder Bezos is expected to take off in his own space tourism rocket on July 20.
