I remember going though my Dad's slides from his RVN days.
He told me a small amount of them didn't make it home through the censors. He had some of VMA214's A4's with blast damage from sappers. I asked him why he took a picture of a grease spot on the PSP decking. It wasn't grease he said, that's where a sapper's charge went off before he got to an aircraft.GI3
He also had a lot of pictures of A4's with flak dammage.
Wish I had one of his tent with his M14 and 782 gear over his bunk. He said if the mortars came in all he had to do is reach up and grab his rifle and roll off his bunk into the slit trench outside the tent wall next to him.