Thales completed live firings of its X-Fire launcher in France's FLP-T ground-based long-range strike competition, signaling a shift in European defense priorities.
TowerHermeus is building a reusable Mach 5 aircraft using a turbine-based combined cycle engine, starting with military applications before targeting commercial travel.
VectorRussia flew a sixth-gen demonstrator first but sanctions and industrial gaps may leave it a decade behind the US, UK, Japan, and allies.
TowerHermeus is building Quarterhorse, an unmanned demonstrator using a turbine-based combined cycle engine to achieve Mach 5 from a conventional runway.
VectorBoom Supersonic's XB-1 demonstrator is deep into supersonic flight testing at Mojave, generating real data for the Overture airliner program.
Vector