Oh my, oh my, oh my!
That's looking pretty spiffy now. Definately like the idea of the crew being happy or scared...I just hope we can avoid them looking like they need nap time though.
The wakes do look incredible.
As for why there are Marines on the sub at the end, US boats were sometimes used to deploy Marine Raiders as well as Coastwatchers and other sneaky sorts of deals. The Raiders that attacked Makin Island were deployed by submarine.
