Pin-up art is war has been very popular and made a particular splash in World War Two. Sexy pin-up girls have been used famously as art work on military combat aircraft -- sometimes called "nose art" , "bomber nose art" "pin-up nose art"
World War Two Style Military Bomber Pin-up Nose Art
War Pin-up art also included the use of sexy airbrush pin-ups art for advertising such as recruitment posters and war bond sales.