I ran across a couple of kisses in/on a jeep. So, here they are:
This image isn’t in great shape, but captures the awkwardness of kissing in a jeep. I think this photo is from 1949? But could be 1944.
This picture comes from a post by Ransom Rings at Mentalfloss.com.
From the G503 site comes this image:
What is important in these photos are the great shoes in the bottom photo, also the point of her toes, the stretch of her leg, and the flag in her hand.