Wernher von Braun and Other folks also had ideas for a rocket that would have showcased 8 F-one engines in its initially phase, much like the Saturn C-8, allowing a direct ascent flight for the Moon. Other ideas with the Saturn V identified as for employing a Centaur being https://devinvuuur.bloginwi.com/67634371/apollo-3-5-blue-plus-processor-an-overview