text: NASA Launches Hypersonic 'Scramjet' An unmanned NASA jet was launched over the Pacific Ocean on Tuesday in a bid to demonstrate a radical new engine technology by flying at a world-record 7,000 mph - almost 10 times the speed of sound.
inputs: NASA Launches Hypersonic 'Scramjet' An unmanned NASA jet was launched over the Pacific Ocean on Tuesday in a bid to demonstrate a radical new engine technology by flying at a world-record 7,000 mph - almost 10 times the speed of sound.