The Global Hypersonic Race

... skipping stone along the water surface, such a vehicle can increase its flight range by several times. The second type is a scramjet-powered vehicle, which can only fly in the atmosphere because its engine needs oxygen. The third type is a quasi-ballistic ... ... trigger the deployment of the space-based laser component of the missile defense system. Third, it will provoke a new global arms race, including with regard to laser weapons, hypersonic anti-missile systems, cyber-weapons, railguns and unmanned delivery ...