Very touching. And since this post applies to me (well, apart from the narcotics), you know what else I was thinking...
Edited to add a few more links:
Gettysburg, seventy-five years later. (And seventy-one years ago. See also this.) The part that always strikes me is when you see the veteran talking to a bunch of Boy Scouts, passing on the knowledge of generations. Five years later, many of those Scouts were probably fighting themselves. And speaking of that, read this.