The story of how British innovation and American production combined to create the Merlin-powered P-51 Mustang, the long-range fighter that secured air superiority over Germany in WWII.

The "D" variant of the North American P-51 Mustang has long been considered one of the greatest aircraft ever to fly. It is considered by many to be one of the leading technological reasons why the ...

Add Yahoo as a preferred source to see more of our stories on Google. GettyImages 528673160 Michael Cole Corbis via Getty Images 2 Powerful and dependable, the Rolls-Royce Merlin aero engine was ...