Early submarines were trapped by air, fuel, and human limits, forcing them back to the surface. This video breaks down the engineering, life support systems, and nuclear breakthroughs that finally ...

The Navy’s early experience with submarines was a constant drumbeat of human tragedy. While looking for lost relics deep beneath the Pacific Ocean, mere miles from the coast of San Diego, California, ...

The USS F-1's wreck, seen in a photogrammetric reconstruction drawn from several photos taken of it. After more than 100 years, we have the first actual image of the wreck of a sunken U.S. Navy ...