<span style="color: #222222;">The world's largest aeroplane – a Stratolaunch behemoth with two fuselages and six Boeing 747 engines – made its first test flight in California yesterday. </span><br />'' <br />'' <span style="color: #222222;">The mega jet carried out its maiden voyage over the Mojave desert. It is designed to carry into space, and drop, a rocket that would, in turn, ignite to deploy satellites.</span><br />'' <br />'' <span style="color: #222222;">The aircraft is so big its wing span is longer than a football field, or about 1.5 times that of an Airbus A380.</span><br />''