The introduction of the submarine to naval warfare reshaped planning and doctrine. While typical engagements relied on guns and precision, the submarine didn’t need to concern itself with being as ...

During World War I, one submarine stood out above all others in its effectiveness. SM U-35 operated with deadly precision, ...

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

Dozens of Chinese research vessels are on a quest to map the sea floor at strategically vital regions of the world's oceans.

A single torpedo salvo from I-19, often called one of the most damaging in submarine warfare history, singlehandedly crippled an entire carrier task force. Commissioned in the early days of World War ...

Submarines appeared on the global stage during World War I, when Germany unleashed a campaign of unrestricted submarine warfare in 1917 to sever supply lines between Great Britain and its allies. In ...

In the midst of the Falklands War, British sailors hunting for ARA San Luis launched ordnance at the sonar and radar signals of whales, wrecks, and even flocks of seagulls — anything that might have ...

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

Nuclear-powered Type 094A Jin-class ballistic missile submarine of the Chinese People's Liberation Army (PLA) Navy is seen during a military display in the South China SeaReuters China’s submarine ...

Historic submarines are surprisingly similar to those deployed by today's Navy and can provide an unprecedented look into ...

Add Yahoo as a preferred source to see more of our stories on Google. GettyImages 2227444080 Jason Wells Loop Images Universal Images Group Getty Images 2 Submarines mauled shipping and threatened the ...