Launch Schedule

May 20

Antares • OA-9

Launch window: 0904-0909 GMT (5:04-5:09 a.m. EDT)

Launch site: Pad 0A, Wallops Island, Virginia

An Orbital ATK Antares rocket will launch the 10th Cygnus cargo freighter on the ninth operational cargo delivery flight to the International Space Station. The mission is known as OA-9. The rocket will fly in the Antares 230 configuration, with two RD-181 first stage engines and a Castor 30XL second stage. Delayed from March, May 1 and May 9. [April 24]

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