Within a generation or two, it will probably cease to be a big deal.

So attitudes are changing. Yes, there will be some resistance, but at the end of the day the tradition of military subordinance to civilian leadership will prevail. The services will salute smartly, say "Yes sir, yes sir, three bags full sir" and go about their appointed duty.

This shit writes itself.

That way everybody gets that big Supreme Court showdown they've all been itching for to settle it once and for all. Unless DoD or Congress render it all irrelevant by opening up enlistment to gays on their own.