Prototype aircraft of the World War II era, whether or not they pointed the way to a long production run, were sometimes discarded once their primary flight test work was concluded.
Source: general aviationUpscale, unique, and useful
Prototype aircraft of the World War II era, whether or not they pointed the way to a long production run, were sometimes discarded once their primary flight test work was concluded.
Source: general aviationUpscale, unique, and useful