On June 14, 2016 the US "Cygnus” (CRS OA--6 “Rick Husband”) unmanned supply spacecraft was undocked from the International Space Station. The spacecraft, which had been attached to the space station since March 26, 2016, was released by astronauts aboard the station using the orbiting complex's huge robotic arm at 13:30 UTC. It was the 5th successful flight of "Cygnus” to the ISS.