I was talking with a friend of mine about our both being stationed in Germany when in the USArmy (protecting you scoundrels) and it reminded me of being at Grafenwoehr. Hitler used that place for God knows what but there are bombed out bunkers everywhere, but me and my driver (I was special) were making deliveries at our battalions posts out in the boonies and we stopped and explored caves that are all over that place. The oldest I remember was dated in the 1300's. We had to stop because we didn't know where the landing zones were for the test firing.
I was able to track this article down describing the area a little.
https://www.stripes.com/news/relics-of-germany-s-past-dot-army-s-grafenwoehr-training-area-1.486291
Drove around a clump of trees and one of these puppies was fired off about 150 yds from us, that was when we decided to curtail the adventures.
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