A nuclear attack submarine may be the most formidable predator ever built. In 2009, I spent a week submerged aboard the USS ...

Because of the specialized nature of submarines, a distinct military strategy called anti-submarine warfare, or ASW, was created to counter them. Its primary objective is to defend ships and allied ...

The March 4 incident in the Indian Ocean marked the first time an American submarine had torpedoed an enemy vessel since the ...

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 ...

The Seawolf class was too advanced for the procurement logic that produced it. That is the enduring problem, and it still ...

The Acoustic Device Countermeasure, or ADC, is designed to mimic the sound of a submarine, diverting acoustic torpedoes to attack it rather than its host. The Navy awarded Ultra Maritime, a ...

Submarines operated in both the Atlantic and Pacific theatres, attacking warships, merchant vessels and supply routes ...

A US submarine this week torpedoing an Iranian warship during the Middle East conflict raised the crucial question of ...

China now operates 59 submarines, compared to the US Navy’s 71—but it has expressed the clear intention to catch up.