A quiet Swedish submarine embarrassed the U.S. Navy's most formidable ship - and revealed why old-school diesel power still ...

A Russian diesel-electric submarine, The Novorossiysk, is being trailed through the North Sea by NATO ships, sparking ...

Japan’s Kawasaki Heavy Industries (KHI) has launched the sixth Taigei-class diesel-electric attack submarine (SSK) on order ...

Russia has denied that its submarine is experiencing mechanical problems—but a Russian military blogger has speculated that ...

Virginia-class submarines are bigger, faster, quieter, and have more endurance and firepower than Los Angeles class they ...

According to reports, the Novorossiysk, a Kilo-class diesel-electric submarine operated by the Russian Black Sea Fleet, was observed navigating on the surface near Brittany on 9 October 2025.

NATO is closely monitoring a Russian submarine sailing on the surface through the English Channel and the North Sea.

The German submarines will be constructed at MDL in partnership with ThyssenKrupp Marine Systems (TKMS). According to reports ...

Japan’s Kawasaki Heavy Industries (KHI) has launched the sixth Taigei-class diesel-electric attack submarine "Sogei" ｢そうげい｣ for the JMSDF ...

Russia denies reports that one of its submarines suffered a malfunction after surfacing off the coast of France.

India plans to put on hold the construction of three French-origin Scorpene-class submarines at Mazagon Docks, opting instead ...

By the 2030s, the world’s oceans may become as transparent to sensors as the skies became to radar in the 20th century. With ...