"Payloads successfully deployed into our target orbit! We are so, so proud to say that LauncherOne has now completed its first mission to space, carrying 9 CubeSat missions into Low Earth Orbit for our friends @NASA", Virgin Orbit said on Twitter on Sunday.
LauncherOne took off from California's Mojave Air and Space Port (Civilian Aerospace Test Centre) at 10:40 a.m. local time on Sunday (18:40 GMT).
US National Aeronautics and Space Administration (NASA) Administrator Jim Bridenstine congratulated Virgin Orbit on the successful mission via Twitter.