Secretary of Defense Pete Hegseth called the sinking of an Iranian warship with a single Mk48 torpedo a "quiet death." ...

Iran's submarine fleet, long considered an important component of its naval power, suffered serious losses during Operation Epic Fury. According to U.S. military experts, the Kilo-class submarines, ...

Video of a US submarine sinking an Iranian warship looked "remarkably similar" to a 1945 US submarine attack, a World War II ...

While it’s been almost a century since the last kill by an American submarine, other navies have done so more recently.

As naval warfare reemerges as a key strategy in the US war with Iran, World War II museum ships are finding new relevance.

Since 1991, Navy subs have launched scores of cruise missiles in combat, but the torpedo attack off Sri Lanka is a return to form after 80 years.

Lockheed secured a potential $480 million Navy contract for AN/SQQ-89A(V)15 anti-submarine warfare system engineering support.

Ever since they started sailing the world's waterways in the 17th century, submarines have evolved significantly in the years since. Subs are some of the most important naval vessels in any blue water ...

In the silent world beneath the waves, the balance of power often depends less on size and cost than on the ability to go unseen.

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

The Program Executive Office for Submarines, Submarine Combat System Program Office within the Naval Sea Systems Command awarded the contract to Alion. Alion will perform system engineering trade-off ...

Nuclear submarines are a key deterrent. Consequently, it is no surprise that major global powers continue to invest heavily in the expansion and modernization of their submarine fleets. According to ...