Defence Research and Development Organisation (DRDO) has achieved a key milestone in the development of hypersonic missiles, as it successfully conducted a long-duration ground test of its actively ...
Lockheed Martin's Skunk Works has confirmed that it is developing the SR-72 spy plane. The successor to the SR-71 Blackbird, which was capable of Mach 3.5, the SR-72 will be a hypersonic unmanned ...
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