Questions Hang Over NASA's Post-Shuttle Future

When NASA wrapped up its spaceship programs Mercury and Apollo, it had new vehicles ready to replace them. But the agency has no such plan now that the space shuttles are retiring. Some people say it's a sign the organization has lost its way, but the agency's leaders say NASA has a robust future.

Source: http://www.npr.org/2011/07/20/138507386/what-s-next-for-nasa-as-space-shuttles-retire?ft=1&f=1007

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