WASHINGTON — A coalition of Navy veterans is seeking an expansion of health care and disability benefits for toxic exposures linked to gases, chemicals and biological contaminants aboard submarines.

Submarines have been used in warfare for centuries. Undersea warfare has come a long way since the first experimental contraptions took to the seas. The modern nuclear-powered submarine represents a ...

As the United States marks its 250th anniversary, WTOP presents “250 Years of America,” a multipart series examining the innovations, breakthroughs and pivotal moments that have shaped the nation ...

The Los Angeles-class attack submarines of the United States Navy formed the backbone of America’s nuclear-powered attack submarine force for almost four decades. The class’s origins lie in the latter ...

The U.S. Navy today possesses the most technologically advanced submarine force in the world. Its nuclear-powered attack submarines and ballistic missile submarines remain unmatched in speed, ...

Inside a diesel engine's cylinder, compressed air raises the temperature to ignite injected fuel, and the resulting force drives pistons to power the vehicle's main gears. Chief to this combustion ...

China's submarine fleet is improving, making advancements in stealth. In a war, China's subs could put up a tough fight in the First Island Chain, analysts say. China has also prioritized sensors and ...

Submarines are quite possibly some of the scariest vessels any navy could operate. No, they're not as large as an aircraft carrier or as armed to the teeth as a destroyer, but their ability to ...

JS Raigei, the fourth Taigei-class diesel-electric submarine with the Japan Maritime Self-Defense Force. Credit: The Japan Maritime Self-Defense Force (JMSDF) A Japanese Defense Ministry panel called ...

Modern submarines carrying cruise missiles, ballistic missiles, and advanced torpedoes now serve as the primary platforms for nuclear deterrence and long-range strike capability, with the United ...