The first casualty of a U.S. troop's military service is usually his wisdom teeth. It's as if the U.S. military secretly runs on some kind of wisdom tooth-based fuel.
There are many supposed reasons for the mass extraction of otherwise normal wisdom teeth, but we can all be glad they don't get sold into, say, dentures or something.
"Waterloo Teeth" on display as they would be sold in 1815. (British Dental Association Museum)
The recipients had no idea their new dentures came from the dead men on the battlefield of France. All they knew is that they could now eat all the boiled food the British Isles could muster. Which is a lot.