The Global Hypersonic Race

... increased from $201 million in 2018 to $278 million in 2019, and the overall cost of the program is estimated at $2 billion. China has been no stranger to this “war of words,” with several fantastic reports emanating from the country about “successful ... ... 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 ...