The missile recorded speeds faster than Mach 5, or 3,836.35 mph, at an altitude above 60,000 feet for more than 300 nautical miles. It was mounted to the wing of a U.S. Air Force B-52 strategic bomber and launched mid-air.
The project will demonstrate a sub-scaled over-the-horizon radar (OTHR) that is one quarter the size of traditional [Over The Horizon] systems.”