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Russia spent years developing the Sukhoi Su-47 Berkut to match the F-22 Raptor — only 1 prototype was built and it never saw combat

In 1997, Russia unveiled the Sukhoi Su-47 Berkut, one of the most unusual fighter aircraft ever built. The aircraft was built with forward-swept wings and a black composite body, traits which gave it ...
The National Interest

F-16 SFW (Swept Forward Wing)

Summary and Key Points: The F-16 SFW (Forward-Swept Wing) was an experimental fighter developed by General Dynamics in the 1970s as part of DARPA’s Forward Swept Wing Program. Designed to ...
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Flight test files: Grumman X-29 – harnessing the strength of aero tailored composites

During the late years of the Cold War, the US Air Force and NASA wanted to study new aerodynamic concepts and advanced flight-control systems for the design and development of future aircraft. To ...