Thứ Ba, 17 tháng 12, 2013

In pictures: U.S. X-47 drone

The X-47B first flew in 2011, and as of 2013, it is undergoing flight testing, having successfully performed a series of land and carrier based demonstrations.

The Northrop Grumman X-47B



The Northrop Grumman X-47B

The Northrop Grumman X-47B

The Northrop Grumman X-47B

The Northrop Grumman X-47B

Xinhua

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