For the second time in just over nine months, an Atlanta-based company this week debuted a new supersonic test aircraft.
The Defense Innovation Unit achieved a successful suborbital launch of a hypersonic test platform that demonstrated sustained ...
An artist's impression of the Polaris Spaceplanes Hypersonic Test and Experimentation Vehicle (HYTEV) research vehicle. The first flight is anticipated before the end of 2027. (Polaris Spaceplanes) ...