Tags: Artificialsatellite, Satellite.
Cygnus Orb-D1 also known as Cygnus 1 and Orbital Sciences COTS Demo Flight was the first flight of the Cygnus unmanned resupply spacecraft developed by Orbital Sciences Corporation. It was named after the late NASA astronaut and Orbital Sciences executive G. David Low. The flight was carried out by Orbital Sciences under contract to NASA as Cygnus’ demonstration mission in the Commercial Orbital Transportation Services (COTS) program.