If you’re wondering how the ballast system works, there isn’t one. The 3D printed body angles the motors slightly downwards, so when the submarine is moving forward it’s also being pulled ...

Capt. Joe Meier spoke for everyone in attendance in Kittery, Maine, on Saturday at a ceremony marking the 62nd anniversary of ...

It also had a streamlined hull for easier underwater travel, a conning tower, separate main and auxiliary ballast systems, and a tube for launching torpedoes. Submarines would get bigger ...