PLANNING A SECRET SPACE MISSION
Aug 13, 2020
2 minutes
AUGUST 1998
Boeing drop tests X-40A vehicle
Boeing creates the X-40A Space Maneuver Vehicle to 85 per cent scale and it is successfully drop tested, pleasing the US Air Force.
JULY 1999
NASA plans experimental space plane
NASA says it wants to build two vehicles, an Orbital Vehicle and an Approach and Landing Test Vehicle, as
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