Maybe if directed energy weapons or rail guns are developed a lot early and be deployed in space. That will imply the existence of advanced energy sources. So basically we would have to be maybe 50 years more advanced in the 80's then we are today. I don't think that's possible without severely altering the time line.
What kind exactly of advanced energy sources?
Yeah. I only see humanity advancing the Internet and all tech by 15 years starting with an earlier invention of the transistor in 1937 instead of 1947, Konrad Zuse's Z2 being electric instead of mechanic, all relevant early Internet equipment and tech get invented by the 1950s instead of the early 1970s... Even then such things can only be invented roughly around the present day, not the 1980s.
If someone can make a scenario which can have rail guns and stuff in the 1980s with a POD in the 1930s, I'm happy
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