Months after a successful test launch of the Antares rocket with a dummy payload, today Orbital Sciences Corp successfully launched their demo cargo mission to the ISS. Their Cygnus resupply craft detached from the second stage and at 11:33 a.m. deployed its solar array. From NASA: "Solar array deployment is complete for Orbital Sciences Corp.'s Cygnus spacecraft, now traveling 17,500 mph in Earth's orbit to rendezvous with the International Space Station on Sunday, Sept. 22, for a demonstration resupply mission. The spacecraft will deliver about 1,300 pounds (589 kilograms) of cargo, including food and clothing, to the space station's Expedition 37 crew, who will grapple and attach the capsule using the orbiting laboratory's robotic arm." There's an updates weblog, and some pictures.
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