The world’s largest aircraft, a carbon-composite plane, took its first flight on Saturday from California, U.S. over the Mojave Desert in California. The carbon-composite plane was by Stratolaunch Systems Corp, a company started by late Microsoft co-founder Paul Allen, as the company enters the lucrative private space market. The white airplane called Roc, nicknamed after a giant mythical bird, has a wingspan the length of an American football field and is powered by six engines on a twin fuselage, took to the air shortly before 7 a.m. Pacific time (1400 GMT). It stayed aloft for more than two hours before landing safely back at the Mojave Air and Space Port as a crowd of hundreds of people cheered. “What a fantastic first flight. “Today’s flight furthers our mission to provide a flexible alternative to ground launched systems, “We are incredibly proud of the Stratolaunch team, today’s flight crew, our partners at Northrup Grumman’s Scaled Composites and the Mojave A