Sugar Boats Forever! -
Been in love with 'em since SH1. Feisty little bastards, maybe not a lot of torps or depth, but they run faster'n any other damn sub around...nothing better for interception or a fast bugout.
And I admit a perverse please in gunning down Betties using that 4in gun!
"We're leaving here tonight --- there's no need to tell anyone, they'd only hold us down...so, by the morning's light, we'll be halfway to anywhere..."