Iran’s fleet of small submarines, designed to operate in waters too shallow for most Western sonar systems to function reliably, has become the centerpiece of a strategy that could turn the Strait of ...

September 1943. Hidden in Norway’s Altenfjord, the battleship Tirpitz—sister to Bismarck—threatens Allied sea lanes. Enter Operation Source: a high-risk plan to tow six Royal Navy X-craft mini-subs ...

An Iranian Tareq-class submarine at sea - Omid Vahabzadeh/Wikimedia Commons/CC BY 4.0 After the United States and Israel attacked Iran in late February 2026, it became increasingly important to ...

Iran’s regular surface navy is being systematically sunk and the Iran Navy headquarters was crippled, but the mini-subs and small mine-laying vessels—the ones actually capable of rapidly closing the ...

BREST, France — Gulf countries are making new investments to increase their undersea warfare capabilities, including Qatar with the purchase of Italian-made mini-submarines and Saudi Arabia with the ...

Here’s What You Need to Remember: However, despite the efforts of Allied censors, the Sydney raids did impart a sense of vulnerability to Australians. Civilians moved away from coastal zones, a... Key ...

Exclusive footage reveals a mini-sub that can travel for months carrying explosives and surveillance equipment.