Somewhere beneath the surface of the Pacific Ocean, as of early 2026, a U.S. Navy Virginia-class submarine is likely on ...

While diesel engines don't need spark plugs, they do need air ventilation for proper combustion. This is a problem for vessels traveling underwater, such as submarines. Yet diesel submarines exist and ...

One of the most ingenious developments of naval science and warfare is undoubtedly the submarine. With its fully-sealed design, a nuclear submarine can stay submerged for months, quietly creeping up ...