In 1955, the Central Intelligence Agency established a clandestine base of operations in the Nevada desert with a mission to protect the United States from a growing communist threat. Special projects at Area 51 were shrouded in mystery, and the first was one of the world's most famous spy planes, the U-2. It fueled half-truths, rumors and legends for more than half a century. Now with many details of that endeavor declassified, the real story can...