Season three of the popular Smithsonian Channel series MIGHTY PLANES soars to new heights with some of the world’s most incredible aircraft. From one of the most legendary spy planes to NASA’s cargo-hauling giant, there is no shortage of extraordinary planes carrying out massive undertakings. MIGHTY PLANES tells the stories of the pilots, engineers, avionics specialists, load masters and ground operators behind the machines, and of course, the airplanes that bring it all home. The six-episode season premieres Sunday, November 6 at 8 p.m. ET/PT.