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The American civil space program is growing to maturity. It has passed through the joys and crises of precocious childhood and now is being called upon to do grown-up things, like earn a living and establish permanent roots in space.
The American civil space program is growing to maturity. It has passed through the joys and crises of precocious childhood and now is being called upon to do grown-up things, like earn a living and establish permanent roots in space.