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Superfast Military Aircraft Lost in Test Flight

By Tariq Malik August 11, 2011

The Falcon hypersonic HTV-2 is an unmanned, rocket-launched, maneuverable aircraft that glides through the Earth’s atmosphere at incredibly fast speeds. (Image credit: DARPA)

This story was updated at 5:43 p.m. EDT.

Editor's note: DARPA released an update late today confirming that the Falcon HTV-2 aircraft impacted the Pacific Ocean along its planned flight path. Read the full story here.