Cygnus CRS Orb-2,[3][verification needed] also known as Orbital Sciences CRS Flight 2,[citation needed] is the third planned flight of the Orbital Sciences' unmanned resupply spacecraft Cygnus, its third flight to the International Space Station and the forth launch of the company's Antares launch vehicle. The flight is the second of 8 under the Commercial Resupply Services contract to NASA. The mission is scheduled to launch in the 4th quarter of 2013 or 1st quarter of 2014.[2] The other vehicles are the Progress, Automated Transfer Vehicle, HTV and the Dragon. The Cygnus is expected to deliver 550 kg (1,200 lb) of cargo to ISS and dispose of about 1,000 kg (2,200 lb) through destructive reentry.[4]
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Future spaceflights
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2013
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2014
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2015
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2016
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2017
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2018+
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† - failed to reach ISS
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