While hydrofoils lift out of the water thanks to an underwater fin, hydroplanes zoom along by riding directly on the surface ...

A U-Boat Class II submarine (this one depicted ... For most of the year, he makes his living diving commercially around the Belgian ports. Summer is for combing the local waters for wrecks ...

Saronic Technologies has unveiled the 150-foot Marauder MUSV, a fully autonomous drone ship with a 90,000-pound payload ...