The speculation is that they want to use the space to build a new type of mobile access directly into their mobile handsets.

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The FAA has been working to setup new rules and to safely integrate the use of unmanned aircraft into the national air space, and last year opened an "unmanned aircraft systems integration" office.

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Innovators can help drive change by empowering consumers through the use of new technologies, making now an incredible time to be an innovator in this space.

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But Rumsfeld stopped short of proposing any new defenses for satellites or other space-based systems, saying the United States remains committed to the peaceful use of space.

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Designed primarily for city and suburban use, the new car will be smaller than a Smart car (three of them can fit into a single parking space), light (around 500 kilos), twice as efficient as an average car and will have the lowest emissions of any car in the same class.

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