Perspective: The World from the Space Station

At the International Space Station ISS repairs are often needed on the exterior, the problem is it is a lot of work to send out a manned space walk to do this. Astronauts need oxygen and they have the problems of human error. Yet if we use robots, well they do not complain, unless programmed too. Robots in fact could spend months to fix something, astronauts five day space walk missions are about all we can muster right now and if we cannot get it done in time, imagine the cost for another launch. What about Fatigue factors, which take a toll on the organic components of the human body? Costs to send up a space crew to do repairs can be millions if not billions of dollars.`

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