The NEXUS reusable rocket was a concept design created in the 1960s by a group at General Dynamics led by Krafft Arnold Ehricke.
It was intended as the next leap beyond the Saturn V, carrying up to eight times more payload.
It was a single-stage-to-orbit vehicle that would be fully recoverable upon landing in the ocean.
It would use parachutes to slow descent, with retrorockets (on top) for a final soft touchdown.
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