The Liberty launch vehicle is a rocket proposed by ATK and EADS Astrium to boost NASA payloads like the Orion capsule into earth orbit.
The LH2/LOX fueled second stage is based on the Ariane-5 core stage. It is powered by the Vulcain-2 engine.
ATK plans a first flight in 2015.
|Version||Stage 1||Stage 2||Stage 3|
|Liberty||SRB-5||Ariane-5 core / Vulcain-2||?|
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