Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. The McDonnell XF88 Voodoo was a long-range, twin-engine jet fighter aircraft designed for the United States Air Force. Although it never entered service, its design was adapted for the subsequent F-101 Voodoo. The XF-88 originated from a 1946 United States Army Air Forces requirement for a long-range ''penetration fighter'' to escort bombers to their targets. It was to be essentially a jet-powered replacement for the wartime P-51 Mustang that had escorted B-17 Flying Fortress bombers over Germany. It was to have a combat radius of 900 mi (1,450 km) and high performance. McDonnell began work on the aircraft, dubbed Model 36, on 1 April 1946. On 20 June the company was given a contract for two prototypes designated XP-88. Dave Lewis was Chief of Aerodynamics on this project.