https://www.space.com/20793-spacex-grasshopper-rocket-highest-flight.html
Private 'Grasshopper' Rocket Prototype Makes Highest Flight Yet | Space
Apr 23, 2013 - SpaceX's reusable Grasshopper rocket prototype launched on its highest flight yet on April 19. See photos and video of the Grasshopper rocket's biggest test...
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https://www.livescience.com/25810-spacex-private-reusable-rocket-test.html
SpaceX's Experimental Grasshopper Rocket Makes 3rd Test Hop | Live Science
Dec 26, 2012 - The SpaceX Grasshopper, a vertically landing, reusable rocket prototype hopped 131 feet (40 meters) into the air for 29 seconds before safely landing back on...
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