InternationalIndia Joins US, China To Enter “Hypersonic Regime” After Successful Flight TestTestHostEntrySeptember 7, 2020June 3, 2022 by TestHostEntrySeptember 7, 2020June 3, 2022 Russia, US and China are the other countries who have been developing hypersonic test vehicles so far. If hypersonic cruise missile is developed, it can...