Looks like a Saturn 5 with the LEM to the right. I think that the orbs are pressurized gas used to start the turbopumps that pump the fuel and oxidizer. (liquid oxygen and liquid hydrogen)
Thanks Man, not sure what the orbs are for but my guess would be oxygen, cooling, compression possible even heating so the fuel does not freeze, good question though, I will look into it. It was pretty amazing seeing this for real, just the sheer size was overwhelming.
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