McDonnell Douglas F-15 Eagle_(Part 01)

Underlying the development of F-15 work lay USAF Major John Boyd and mathematician Thomas Christie (the principle of conservation of energy in terms of air combat), the experience of air combat in Vietnam and the emergence of new structures of the Soviet MiG-23 and MiG-25, zademonstrowanych publicly 1967 Pre-conditions which had to meet the FX fighter project (Fighter experimental – experimental fighter), formulated and sent to 13 aviation companies in December 1965. The program has gained speed in 1968, after the presentation of new Soviet fighters. These requirements include takeoff weight exceeding 20 tonnes, maximum speed of Mach 2.3-2.5, the ratio of the weight of 0.95. December 23, 1969 until the implementation of the project company has been selected McDonnell Aircraft Company.