X-3 Stiletto experimental aircraft. 1950s image of the Douglas X-3 Stiletto in flight. This experimental jet aircraft was built in 1952 for the US Air Force. It featured a narrow fuselage, tiny wings and a long tapered nose making it the sleekest aircraft for its time. The X-3 performed poorly in test flights and never attained its target speed of Mach 2 (twice the speed of sound). Despite this, several features were taken forward to use in future high speed planes.
July 24th, 2016
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