Given the curvature of the Earth, as well as the speed, altitude, and maneuverability of hypersonics, the only way to provide coverage is to place sensors in orbit around the Earth.
A step forward for sensor technology;
China's mobile-launched suicide drone swarms;
Modeling nuclear fusion;
Pentagon borrows from beetles
Robot dogs may be a soldier's best friend;
"Smart" bullet destroys cruise missile;
3-D printing neural implants;
Directed energy could advance hypersonic weapons;
Ghost fleet sub hunters?
[T]he Memorandum of Understanding (MOU) signed earlier this Fall between NASA and the U.S. Space Force represents a major forward step in comprehensive national spacepower.