RITSUKO (OFF):“Time isn't just passing us by.
The technology of the Evas
is making progress as well.
We constantly need new data.”
UrsusArctos: The Evas, it turns out later, are far less technologically dependent than one would expect. In hindsight, it seems very likely that that the technology referred to is actually the Dummy Plug.
Dr. Nick: That's one major mecha trope that NGE avoids: there's no gaudy mid-series upgrade, not even an armor upgrade à la Tekkaman Blade's blaster form.