A Random Space Facto - How Many Engines Have Flew Before?

i said, as scheduled on the first four s l s missions, how many of the main engines have flown already as part of a rocket launch? How did yo do? Mat? I didn't think this was that tricky. We got a variety of answers across those four missions, 16 engines, right? Since each one has four r s 25, yes. But you wily quismaster, you not all of those. They were all made for the space shuttle, but not all f them flew on space shuttle missions. On artemis, you'll hear them roar. Recycled from the s t s. Each corus stage carries four, we're talking r s 25