Take to the skies as Discovery soars to the limits of mankind's imagination and ingenuity in this comprehensive look at the majesty of flight. In Planes: The Ultimate Guide, learn how aircraft evolved into one of the most important inventions in history as experts probe the earliest 20th century designs that forever changed travel as well as modern warplanes that have revolutionized combat.

Next in Wings Over Afghanistan, witness as American forces launch an air campaign that combines covert action and sheer brute force in a way the world had never seen before. And get the exclusive inside track on the U.S. Air Force Thunderbirds, who amaze millions every year as they defy death in precision-flying air shows. The rigorous training and breathtaking beauty of the Thunderbirds will astound and delight you!