c/n 6903048. The T-4 was the prototype for a high-speed strategic bomber and reconnaissance aircraft. It first flew in 1972, but only two had been completed before the project was cancelled in 1975. It was constructed from titanium and stainless steel, had four engines, and was designed to be capable of Mach 3 (2000mph) , although the maximum speed achieved in the ten test flights that took place was 'only' Mach 1.3. The survivor is on display at the Central Air Force museum, Monino, Moscow Oblast, Russia.
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