China Prepares Improved CH-4
By The Editor
China Academy of Aerospace Aerodynamics (CAAA), the flight technology development arm of defence prime China Aerospace Science and Technology Corporation (CASC), is developing a new and more capable variant of its strike-capable Cai Hong 4 (Rainbow 4, or CH-4) medium-altitude, long-endurance unmanned aerial vehicle (UAV) under the designation of CH-4C.
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