Hue hue, but it WAS the theory. The F-35 was planned as: A. The "light" F/A part of the heavy/light fighter model. B. Meant to save costs by having one aircra

Hue hue, but it WAS the theory. The F-35 was planned as: A. The "light" F/A part of the heavy/light fighter model. B. Meant to save costs by having one aircraft with shared parts (across the three models) fill virtually all roles.