Yea, that is true, my sister's Grand Father flew P-51D's and flew 3 different models of them. There actually is a pretty famous painting of when he got wounded (got his arm nearly halved by 20mm flack by flying low to look at a horse drawn wagon to make sure he wasn't strafing civilians). The only time I was ever at my sister's Dads house was a long time ago, but it does show when he got wounded.