Chinese Stealth Tech- many think China borrowed fighter technology. I also think it would be foolish not to use proven ideas. Plus if your designs can be taken the only main advantages are strategy and training. This where the majors have the edge.
One of my biggest complaints about sexism is that people think its okay for a girl to dress boyish and just call her a tomboy but if a boy dresses like a girl theres something wrong with him.so true too