NG-11 Antares Launch
A Northrop Grumman Antares rocket will launch the 12th Cygnus cargo freighter on the 11th operational cargo delivery flight to the International Space Station. The mission is known as NG-11. The rocket will fly in the Antares 230 configuration, with two RD-181 first stage engines and a Castor 30XL second stage.
Launch window: TBD