''Developed by Yokosuka Naval Air Technical Arsenal, "Keiun" is the latest state-of-the-art prototype high-altitude reconnaissance aircraft.<br>The "Keiun" is a unique design with all sorts of new innovations and now powered by the "Ne turbojet engine", the jet fighter-bomber version of this aircraft being the "Jet Keiun Kai".<br>※Can only be operated on land bases and some regular aircraft carriers equipped with armored decks and catapults.<br>Steel is consumed during airstrikes.