Was an upvote, but fridge logic popped in: why is the maladjustment just vertical? Why is it "invariably" when they could theoretically correct the trajectory?1 I mean, the science for this is real world based: the planet's orbit around hte sun isn't perfect, so even if you didn't use absolute universal coordinates, the same solar coordinates will leave you in a bad place.
Don't get me wrong, the concept of Nazi solders materializing in the present and immediately falling to their deaths is hilarious, but the construction leads me to nitpick. +0.