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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.
Orbital was headquartered in Dulles, Virginia and publicly traded on the New York Stock Exchange with the ticker symbol ORB. Orbital's primary products were satellites and launch vehicles, including low Earth orbit (LEO), geosynchronous Earth orbit and planetary spacecraft for communications, remote sensing, scientific and defense missions ...
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.
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.
On 19 February 2008, the second round selection was made to Orbital Sciences Corporation, for the Cygnus spacecraft. [25] NASA's selection statement showed that Orbital beat Boeing on expected lower costs and the added benefit of a new medium lift launcher Taurus II with Andrews, PlanetSpace and Spacehab being eliminated on funding concerns. [26]
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]
Orbital-2, [4] [5] also known as Orb-2, was the third flight of the Orbital Sciences' uncrewed resupply spacecraft Cygnus, its third flight to the International Space Station, and the fourth launch of the company's Antares launch vehicle. The mission launched from the Mid-Atlantic Regional Spaceport (MARS) on 13 July 2014 at 16:52:14 UTC.
The first phase of CRS contracts (CRS-1) were signed in 2008 and awarded $1.6 billion to SpaceX for twelve Dragon 1 and $1.9 billion to Orbital Sciences [note 1] for eight Cygnus flights, covering deliveries to 2016. The first operational resupply missions were flown by SpaceX in 2012 [2] and Orbital in 2014 . [3]