There are many bits of naval warfare that I never knew about. For example, check out the concept art above: apparently the military had in mind a pair of giant chopsticks that could be used to thwart futuristic looking submarines. Wow. I had never heard of that before. You?
There’s lots of cool art regarding submarines in this gallery. They even have my favorite WTF piece of hardware: the Japanese submarine aircraft carrier.
I was trying to find some video of the bathyscaph Trieste going into the drink on its dive to the bottom of the Marianas Trench. Surely somebody took some home movies of that, right? Nothing historical happening there, no no. So instead I’ll just go for the sub suggested by the title. Simply because it would be wrong not to put it here:
All of this undersea stuff kicked off by Brass Goggles.