Reminder that anytime hypersonic aircraft are proposed, it’s absolute nonsense (based on where current research, particularly in materials science, is at) and just a bunch of a CAD animations.
Ronald Reagan already topped this anyway by proposing in his 1986 State of the Union a modern-day “Orient Express” that would go New York to Tokyo in 1.5 hours. That never happened either.
https://en.m.wikipedia.org/wiki/Rockwell_X-30