Most Air Force pilots don't wear sunglasses at all. There are no special kinds of sunglasses that are made for pilots. They just choose what make them feel comfortable when wearing them. Aviator sunglasses are often preferred by many pilots. However, everyone has their own preferences. You just wear sunglasses that look good on you and they are comfortable to wear. And make sure they can protect your eyes effectively.
I can get why you ask this question. It seems you are interesting to become a pilots. From TV, newspaper and magazines, it seems pilots like to wear aviator style sunglasses. Some people thought it's ray ban. They are really cool especially for men with a pair of dark aviator sunglasses. If you want to make up like them, you can also try aviator style sunglasses.