The XF-121 is an experimental fighter designed for defending Australia's borders from 'the boats' (Any Aussies might get the put). Tony has requested that we (The Australian Aircraft Company) design him some more fighter jets, as he can't seem to get enough of them... The XF-121 is portrayed in this version with a naval camo, but only because it is designed for scrambling from an airbase, as tony hasn't ordered an aircraft carrier for us to land on... The powerhouse of the aircraft are 2x Rolls Royce GX-152 turbofan engines, as we decided to import them as prices are too high for us to manufacture them in Australia... As this is an experimental version we also didn't install fly-by-wire systems, and so the aircraft is nose heavy and pulls to the right a bit... To use the landing gear, press 1 and slide VTOL up... Hope you enjoy Australia's entry into the JSF competition.