Vocabulary
I love the "lethal redesign" -- would anybody use that to cover an upgrade to the F-22, like the oxygen supply?
And there's lovely alliteration from "mysterious" to "Mighty Dragon".
And there's a lovely allusion in "low production costs", suggesting China could turn out hundreds in a surprisingly short time, as if cost were the only thing capping aircraft production, but yep, the engine sure is Russian: Chinese engine technology.