On July 15, 2018 at 10:20 UTC the US "Cygnus” (CRS OA-9E “S.S. J.R. Thompson”) unmanned supply spacecraft was undocked from the Harmony module of the International Space Station. After that, the spacecraft, which had been attached to the space station since May 24, 2018, was released by German astronaut Alexander Gerst and US astronaut Serena Auñón-Chancellor aboard the station using the “Canadarm-2” orbiting complex's huge robotic arm at 12:37 UTC. It was the 9th successful flight of "Cygnus” to the ISS.