Daily Mail | China's 7680mph hypersonic aircraft delivered its warhead 'within meters' of its target 870 miles away, new details ... Daily Mail Since 2013, China has conducted seven successful test flights of its hypersonic glider DF-ZF. The vehicle will be capable of speeds of between Mach 5 and Mach 10, or five to 10 times the speed of sound. US officials tested tested HTV-2 in 2011, an ... |