A Northrop Grumman Cygnus cargo ship successfully left the International Space Station for a new mission Wednesday (Jan. 5) to test 5G communications technology and spark fires in orbit.

The uncrewed Cygnus NG-14  spacecraft departed the space station at 10:10 a.m. EST (1510 GMT) after ground controllers released it from the Canadarm2 robotic arm. NASA astronaut Kate Rubins monitored the systems aboard Cygnus during its departure, from her perch on the space station.