Antares 230 • Cygnus OA-9

One from Orbital ATK in-house missions under CRS-1 contract. Antares 230 rocket with two new RD-181 engines and larger Castor 30XL second stage. Rocket will deliver Cygnus robotic cargo spacecraft with supplies for international Space Station. Orbital will utilize during this mission enhanced version of Cygnus able to deliver up to 3200 kg of payload with Antares 230 as launch vehicle.

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