
That time a US Navy submarine got a confirmed kill on a train during WWII
In the closing weeks of World War II, a Navy submarine was credited with “sinking” a train during a daring mission.


USS Barb (SS-220) - Wikipedia
I was a bit startled by the link when I first saw it, but it wasn't quite as crazy as it sounds. The captain of the sub sent a landing party to booby-trap the tracks, and was successful in blowing up the train.