RARE!!! Bad Aibling Station Germany - NSA - Military Commander Challenge Coin

Bad Aibling Station - NSA - Commander's Challenge Coin
One coin (picture shows front and back)
The Bad Aibling Station, also known as Field station 81, had an official designation as the 18th United States Army Security Agency Field Station. Bad Aibling Sataion was a large monitoring base of NSA in Bad Aibling, Bavaria until 2004.
This coin was presented by the Bad Aibling Field Station Commander back in 1997 and is extremely rare.