Yep, I've looked into it more, and the combustion placement totally bugs me. Come on, AT THE SAME TIME as nuclear power plants? Hell no.
You could just remove the combustion alltogether (as a tech, consider it happen naturally at the time of the end of railroad/industrialism research, this way the flight and nuclear power placement is a bit more believable); and replace the current combustion tech with something which makes more sense at the time (people, suggestions!).
P.S. Actually placing plastics where the combustion is right now makes sense (and plastics leading to composites).
P.P.S. Considering the satellites placement: I would honestly consider placing robotics where the satellites are now (so electronics/radar would lead to it) and placing advanced flight where the robotics are now (with robotics OR composites leading to it), and placing satellites where the advanced flight is right now, so it would require rocketry.
Please consider it, I beg you

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