[ War has many bad aspects. One of them is the spectacle of good, honest, honorable men killing each other ... often on behalf of the most vile members of society. ]
I would imagine a lot of those who stayed in the military under Obama can now empathize.
As for Captain Hardegen ... He deserved a better fate than serving in the Kriegsmarine under Hitler. Too bad he didn't follow the lead of Captain Georg Ludwig Ritter von Trapp.
Pops was sunk by U-132. Film crews even did a short documentary onboard U-132 with what believe is the same crew. I wish my father lived long enough to see the internet. He would have been fascinated.