Elon Musk’s SpaceX launched the world’s most powerful rocket, “Falcon Heavy.”
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An orbital-class rocket was successfully reused for the first time.
The European Space Agency successfully launched the Vega launch rocket for the first time.
Shortly after liftoff, the first US Air Force Delta III rocket failed and was blown up mid-air.
SpaceX's Dragon became the first commercial spacecraft to dock at the International Space Station.
Robert Goddard was granted a patent for the rocket-powered aircraft.
