The Third And Final Stage Just Had One Engine The Saturn V's third stage was different from its predecessors in that it only featured one J-2 engine. Stage three utilized the same fuel mixture as ...
On May 14, 1973, the final Saturn V rocket lifted off to deploy ... Retro-rockets pushed the S-IC away from the S-II second stage, whose five J-2 engines ignited to take over the job of boosting ...