One of the many things you have to worry about in a war is that you never know if you’ll have to end up fighting against people like this:
That’s Sir Adrian Carton de Wiart and according to Wiki:
He served in the Boer War, First World War, and Second World War. He was shot in the face, head, stomach, ankle, leg, hip, and ear; was blinded in his left eye; survived two plane crashes; tunnelled out of a prisoner-of-war camp; and tore off his own fingers when a doctor declined to amputate them. Describing his experiences in the First World War, he wrote, “Frankly I had enjoyed the war.”[4]
He was also awarded the Victoria Cross in World War One for one action on the Western Front in 1916.
The phrase “unkillable” comes to mind. But perhaps it was just consecutive throws of the dice of life coming up sixes?
No Minister 
Survived his marriage too, I believe
“Fighting Irish”, of course, Belgian and Irish parents.
Read his autobiograghy, quite understated in a good number of ways. Some of his views, as you would expect, were a bit out there.
Or Tiny Freyberg, Kippenberger, Upham just to name 3 of them.