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Cygnus is an expendable American automated cargo spacecraft designed for International Space Station (ISS) resupply missions. It was initially developed by Orbital Sciences Corporation with financial support from NASA under the Commercial Orbital Transportation Services (COTS) program.
The Cygnus Orb-D1 mission was the first flight of the Cygnus spacecraft and used the standard configuration with a Pressurized Cargo Module (PCM), [2] built by Thales Alenia Space, in Italy. [10] Orbital named this mission's Cygnus spacecraft the G. David Low after the former NASA astronaut and Orbital employee who died of cancer on 15 March 2008.
Orbital-3, [6] [7] also known as Orb-3, was an attempted flight of Cygnus, an automated cargo spacecraft developed by United States–based company Orbital Sciences, on 28 October 2014. The mission was intended to launch at 22:22:38 UTC that evening.
Orbital-1, [7] [8] also known as Orb-1, [8] [9] [4] was the second flight of the Orbital Sciences Cygnus cargo spacecraft, its second flight to the International Space Station (ISS) and the third launch of the company's Antares launch vehicle. The mission launched on 9 January 2014 at 18:07:05 UTC. [4]
The demonstration mission undertaken by Orbital Sciences' Cygnus cargo logistics spacecraft is over. The craft is now back on our planet following its 23-day stay at the International Space ...
The Cygnus OA-5 and OA-7 will fly on the new Antares 230 and OA-6 will fly on second Atlas V in first quarter of 2016. These three missions enable Orbital ATK to fulfill their CRS contracted payload obligation. [18] This particular mission is known as OA-5. Production and integration of Cygnus spacecraft is performed in Dulles, Virginia.
Orbital is also a major provider of suborbital target and interceptor launch vehicles for the U.S. missile defense systems. In the last 10 years, Orbital conducted nearly 50 major launches for the U.S. Missile Defense Agency (MDA), the U.S. Air Force, the U.S. Army and U.S. Navy to develop, test and enhance U.S. missile defense systems. [15]
In preparation for unberthing, Cygnus was grappled by Canadarm2 on 2 June 2017. Early on 4 June 2017, the bolts securing Cygnus to the station were retracted, and Canadarm2 unberthed the spacecraft at 11:05 UTC. Crew members aboard the station maneuvered Cygnus to its release attitude, and at 13:10 UTC the vehicle was released from Canadarm2 ...