I like the changes made to the sub to VSF it. Removing the distinctive conning tower/sail structure was a good idea. I can’t believe you only got a second place!
The winner was an Adeptus Titanicus battle using 28mm scale titans on a 40' x 20' play area (on the floor), with suitably sized terrain to match. Not a lot you can do to compete with that!
Never mind, now that I've got the basics all done, I'm already starting on more stuff; including more divers, more (and larger) aquatic creatures, vehicles and some new terrain pieces