Starship/Super Heavy lifts off on its fourth integrated test flight June 6. Credit: SpaceX webcast CAPE CANAVERAL, Fla. — SpaceX conducted the fourth test flight of its Starship launch system June 6, with both the Super Heavy booster and Starship upper stage making it back to the surface intact. The vehicle lifted off at 8:50 a.m. Eastern from the company’s Starbase test site at Boca Chica, Texas. The ascent appeared to go as planned other than the failure of one of 33 Raptor engines in the Supe...