Thank you, jaycee. I had posted quite a few sketches during that time but haven't done as much these past few years. Dave has a twin brother, who joined the Marines at the same time, and I did a thread that included both of them - for a Veterans' Day, Dave? Here's his twin, Don:
I also must say that I didn't have nearly as good a photo editing program then as I do now, nor did my scanner at the time produce great results of pencil or pen and ink drawings.