Everyone has known for decades about the test planes that can partially leave the atmosphere. They aren't economically viable and have few military applications that can't be done more cheaply already. i.e. stagnation.
Last man on the moon was in the early 1970s.
Everyone has known for decades about the test planes that can partially leave the atmosphere. They aren't economically viable and have few military applications that can't be done more cheaply already. i.e. stagnation.
Last man on the moon was in the early 1970s.