The WW II dockside kiss:

Now, for the first time ever in America, the dock side kiss includes gay and lesbian troops:

It is such a small thing, and yet for history it is huge. Back in ancient times the Greeks recognized the value of gay soldiers in the super elite Theban "Sacred Band" which was composed of homosexual couples and was one of the most effective fighting forces of the time.

So America is just now catching up to ancient Greece on this issue.