Off Odisha Coast, Sep 07 (ANI): Defence Research and Development Organisation (DRDO) has shown the successful demonstration of hypersonic air-breathing scramjet technology with the flight test of Hypersonic Technology Demonstration Vehicle (HSTDV). The test was done at 1103 hours on September 07 from Dr APJ Abdul Kalam Launch Complex at Wheeler Island, off the coast of Odisha. With this, India has become the fourth country to develop and test hypersonic technology. “It's a major technological breakthrough in country. This testing paves the way for development of more critical technologies, materials & hypersonic vehicles. This puts India in a selected club of nations who have demonstrated this technology,” DRDO Chairman Dr G Satheesh Reddy said.