US hypersonic vehicle fails flight test
The test had called for a five-minute flight off the coast of southern California at Mach 6- up to 7,300 kilometres per hour
Explore Business Standard
Explore Business Standard
The test had called for a five-minute flight off the coast of southern California at Mach 6- up to 7,300 kilometres per hour
First Published: Aug 16 2012 | 4:20 PM IST