''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, this is what made the plane become a jet fighter-bomber.<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.