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The name and concept originated with Carl Gustaf von Rosen, who realized that in a low intensity conflict even a few small, minimally armed aircraft are capable of having a significant impact. Light aircraft are in any event more suitable for operation in the primitive conditions typical in such conflicts. Von Rosen was familiar with the military trainer version of the MFI-9, which was robust enough to be able to carry significant loads of ordnance suspended from hard points on the wings.