For generations, scientists and science-fiction writers alike dreamed of a reusable "space plane" a durable, maneuverable ship that would make trips to the heavens commonplace.Now, Modern Marvels takes a look at how a team from NASA made that dream r... (more)eal by developing the most extraordinary machine in history the revolutionary Space Shuttle.This comprehensive program tells the complete story of the Shuttle, from its conception in the 1950s to its triumphant launch in 1981. Expert interviews, computer simulations and spectacular footage from its missions offer an insider's view of its successes and failures, including the devastating Challenger disaster that nearly grounded the Shuttle program forever. Finally, NASA officials offer an exclusive peek at the next generation Space Shuttle, the futuristic X-33.