Submarine warfare capability is an essential part of modern militaries, but the first sub ever designed for war wasn't a ...

The Navy has been procuring Virginia-class nuclear powered attack submarines (SSNs) since FY1998. The Navy’s envisaged successor to the Virginia-class design is the Next-Generation Attack ...

The 377-foot vessel can dive to depths of more than 800 feet below the surface and maneuver at speeds of over 25 knots.