WATCH: SpaceX launches Starship megarocket into orbit on 4th test flight

For the fourth time, SpaceX successfully launched its Starship megarocket into orbit on a test flight from Boca Chica, Texas. The rocket’s Super Heavy booster also landed in a splashdown in the Gulf of Mexico. » Subscribe to NBC News: NBC News Digital is a collection of innovative and powerful news brands that deliver compelling, diverse and engaging news stories. NBC News Digital features , , , Nightly News, Meet the Press, Dateline, and the existing apps and digital extensions of these respective properties. We deliver the best in breaking news, live video coverage, original journalism and segments from your favorite NBC News Shows. Connect with NBC News Online! Breaking News Alerts: Visit : Find NBC News on Facebook: Follow NBC News on Twitter: ht