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" ...

The HTV-2 launched atop a rocket from California's Vandenberg Air Force Base, then came streaking back to Earth at hypersonic speeds. Hypersonic flight is typically defined as any flight that ...

In this episode, we follow DARPA’s Falcon HTV-2 - a hypersonic glide vehicle built to prove whether Mach 20 flight could deliver a strike anywhere on Earth in under an hour. We track the two public ...

NEW YORK — An ultrafast U.S. military drone that streaked across the sky at nearly 21,000 kilometers per hour and met its demise in the Pacific was doomed by the excessive heat of hypersonic travel, ...

Aerodynamic design validated and new understanding of thermal material properties gained Following an extensive seven-month analysis of data collected from the Aug. 11, 2011, second flight of DARPA’s ...

Lockheed Martin-designed craft will demonstrate technology for reusable, unmanned hypersonic cruise vehicle Lockheed Martin is proceeding with design of a hypersonic test vehicle (HTV) after the US ...

Engineers prefer to build designs on knowledge rather than guesswork, but when it comes to high-speed, high-altitude flight there is not a lot of data to work with. Mistaken assumptions about airflow ...

The Japanese H-2 Transfer Vehicle (HTV) dubbed Kounotori 2 intentionally re-entered the Earth’s atmosphere and burned up March 29, one day after the unmanned cargo tug departed the international space ...

(Yes, it's on foxnews site but that's the link a friend gave me) Unmanned craft, launches on a rocket and then separates and flies at hypersonic speeds (mach 20 or 13,000mph). For a comparison of what ...

The International Space Station's Canadarm2 grapples the unpiloted Japanese Kounotori2 H-II Transfer Vehicle (HTV2) as it approaches the station, Jan. 27, 2011. The Japanese Kounotori2 H-II Transfer ...