The ultimate SR-71 book which profiles the history, development, manufacture, modification, and active service of all 50 models in the SR-71 program. At the height of the Cold War in 1964, President Johnson announced a new aircraft dedicated to strategic reconnaissance. The Lockheed SR-71 Blackbird spy plane flew more than three-and-a-half times the speed of sound--so fast that no other aircraft could catch it. Above 80,000 feet, its pilots had to wear full-pressure flight suits similar to what was used aboard the space shuttle. Developed by the renowned Lockheed Skunk Works, the SR-71 was an awesome aircraft in every respect. It was withdrawn from use in 1998, when it was superseded by satellite technology. Twelve of the thirty-two aircraft were destroyed in accidents, but none were ever lost to enemy action. Throughout its thirty-four-year career, the SR-71 was the world's fastest and highest-flying operational manned aircraft. It set world records for altitude and speed: an absol