DARPA has confirmed the splash down of its unmanned Falcon Hypersonic Technology Vehicle (HTV-2) following the hypersonic vehicle's second test flight on August 11. While a "controlled descent" ...

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Well, that was quick. The US military has lost all contact with a hypersonic aircraft that the Pentagon hoped would clock in as the fastest vehicle every created, officials said. The unmanned Falcon ...

We have talked about the DARPA HTV-2 hypersonic glider that has been in testing before. The goal of the program is to be able to create a weapon that can strike anywhere on the planet within a few ...

For the second time in a row, the Falcon HTV-2, the unmanned hypersonic glider developed by the Defense Advanced Research Projects Agency (DARPA) for the U.S. defense failed its test flight and got ...

The US Defence Advanced Research Projects Agency may have lost contact with its Falcon Hypersonic Technology Vehicle 2 some 9min after launch, but the 23 April mission would appear to stand as a ...

WASHINGTON — For the second straight time, controllers lost contact with an experimental U.S. military hypersonic vehicle before it could complete its planned flight profile. The second Hypersonic ...

An unmanned glider streaks over the Pacific Ocean at 20 times the speed of sound in a video released Thursday by a U.S. defense research agency experimenting with technology that could give the ...