PERTH, Australia (AP) -- A robotic submarine hunting for the missing Malaysian jet aborted its first mission after only six hours, surfacing with no new clues when it exceeded its maximum depth along ...

SSN was a Soviet nuclear-powered attack submarine (SSN) designed for high-speed, deep-diving operations. Built primarily from ...

For decades, submarines have thrived on one key advantage: invisibility. Deep below the ocean surface, they operate silently, shielded by layers of water and advanced acoustic stealth technology. But ...

Outnumbered and outgunned, the crew of the U.S.S. Johnston fought overwhelming odds before their ship sank more than 21,000 feet into one of the world’s deepest submarine chasms. The U.S.S. Johnston ...

INS Nistar participates in Exercise Pacific Reach 2025 in Singapore, showcasing India’s submarine rescue and deep-sea diving ...