Concorde, launched in 1976, was the sleek, Mach 2 miracle for the super-rich. The 747 Jumbo Jet took to the skies in 1970 and made long-haul flying affordable for the masses; then, in 2007, the Airbus A380 Superjumbo lumbered into the skies — a gravity-defying miracle machine capable of flying more than 850 passengers.