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Commercial Orbital Transportation Services

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Commercial Orbital Transportation Services (COTS) Critical Knowledge

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Orbital - Cygnus Mission Overview

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Orbital Sciences: Cygnus Antares Space Station Resupply Mission | NASA ISS COTS Video

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Nasa- SpaceX COTS-2 Mission Animation

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COTS Partner: Orbital Sciences

Commercial Orbital Transportation Services (COTS) was a NASA program to coordinate the delivery of crew and cargo to the International Space Station by private companies. The program was announced on January 18, 2006 and successfully flew all cargo demonstration flights by September 2013. NASA has suggested that "Commercial services to ISS will be necessary through at least 2015."
    • Purpose 

    • Program rationale 

    • History 

    • Commercial Resupply Services