Polaris’ supersonic future The identical twin aircraft MIRA II and III are 16.4 feet (five meter) long and have a 30 percent larger wing area than their predecessor, MIRA, which was 14 feet (4.3 ...

Polaris’s LAS engine will fly in its spaceplane demonstrator, and will hopefully provide all the propulsion benefits of aerospike engines while also being a better fit for the flat-shaped ...