Air Force launches unmanned shuttle...and they won't say what it's for

(Mail Online) - It looks like the space shuttle's more diminutive cousin - but experts say it was created with technology from a generation beyond.

The U.S. military launched the mysterious X-37B unmanned winged spacecraft tonight - but what America plans to do with it there is anyone's guess.

The mission has been wrapped in secrecy from the get-go.

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