Mission description:
An Orbital ATK Antares rocket lifted off from Wallops Flight Facility in Virginia today at 08:39 UTC, May 21st 2018. The rocket launching for it's 8th time, the last was in November 2017, carried the unmanned Cygnus OA-9 cargo craft into orbit with over 3,350 kilograms (7,385 lb) of cargo.
Source: Space Videos