https://techcrunch.com/2019/04/03/spacex-has-completed-the-first-tethered-hop-for-the-starhopper/

SpaceX has completed the first tethered jump for its Starship prototyped, Elon Musk confirmed in a tweet Wednesday evening.

Called the Starhopper because it’s making limited hops to test the landing capabilities of the Starship vehicle, the tethered jump represents the first firing of a rocket engine at the company’s Boca Chica launch site.