U.S. cargo craft tests reboost capability at International Space Station

A commercial Northrop Grumman Cygnus supply ship berthed at the International Space Station fired its main engine for 50 seconds Tuesday in a test of the spacecraft’s ability to reboost, and possibly eventually deorbit, the massive research outpost. Ground controllers at Northrop Grumman’s mission operations center in Dulles, Virginia, uplinked commands for the Cygnus spacecraft, attached to the space station’s Unity module, to ignite its main engine at 4:25 p.m. EDT (2025 GMT) Tuesday. More

(Source: SpaceFlight Now - Jul 14)