Foreword by Dr. Roger D. Launius, Former NASA Chief Historian For the past 75 years, the U.S. government has invested significant time and money into advanced a

Chuck Yeager introduces this totally revised and updated version of the complete history of the X-Planes. Each aircraft is described with coverage of history, s

A fascinating review of the record-breaking experimental aircraft of the future currently being built and tested by the U.S. Air Force and NASA. The X-Planes, d

Exotic research aircraft designed, built, and flown in Europe in the two decades following World War II were the foreign equivalent of the legendary American X-

The revolutionary X-15 remains the fastest manned aircraft ever to fly. Built in the two decades following World War II, it was the most successful of the high-