Exclusive footage reveals a mini-sub that can travel for months carrying explosives and surveillance equipment.

Unlike large vessels traveling on the ocean's surface or most other vehicles on the planet, military submarines do not have windows. A submarine's commander can't tell their helmsman to hang a right ...

The latest secretive underwater vehicle for delivering Navy SEALs to mission destinations achieved initial operational capability late last month. The so-called “dry combat submersible” is a sort of ...