On August 6, 2019 the US "Cygnus” CRS-11 (NG-11 “S.S. Roger Chaffee”) unmanned supply spacecraft was undocked from the International Space Station. After that, the spacecraft, was released by US astronaut Nick Hague aboard the station using the “Canadarm-2” orbiting complex's huge robotic arm at 16:15 UTC. It was the 11^th successful flight of "Cygnus” to the ISS. After the undocking, the spacecraft will begin an extended four-month mission for additional technology demonstrations and smallsat deployments.