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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-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 Sciences Corp. has reportedly signed a contract with Russia's NPO Energomash to supply 60 new built RD-181 engines for the Antares rocket. [26] While Antares/AJ-26 is not flying and the follow-on launch vehicle is in development and test, Orbital is shopping to purchase launch services for its Cygnus capsule to ISS cargo runs ...
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]
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]
Spacecraft Origin Manufacturer Launch vehicle Length (m) Dry mass (kg) Launch mass (kg) Payload (kg) § Payload volume (m 3) Return payload (kg) § Diameter (m)