OmegA, the rocket formerly known as Next Generation Launch system, is Orbital ATK's answer to intermediate and heavy-lift launchers in the works at ULA, SpaceX and Blue Origin. Credit: Orbital ATK

Orbital ATK selects Aerojet Rocketdyne’s RL10C for newly christened OmegA rocket

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Orbital ATK on Monday revealed new details about the rocket it has been developing over the last three years in an effort to take U.S. Air Force launch contracts away from United Launch Alliance and SpaceX.

34th Space Symposium Launch Launch Service AgreementOmegAOrbital ATKU.S. Air Force