Cygnus CRS Orb-1,[3][verification needed] also known as Orbital Sciences CRS Flight 1,[citation needed] is the second planned flight of the Orbital Sciences' unmanned resupply spacecraft Cygnus, its second flight to the International Space Station and the third launch of the company's Antares launch vehicle. The flight is the first of 8 under the Commercial Resupply Services contract to NASA. The mission is scheduled to launch in the 3rd quarter of 2013.[2] The other vehicles are the Progress, Automated Transfer Vehicle, HTV and Dragon. 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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