During NATO Exercise JTFEX/TMDI 99 in 1999, the Dutch diesel-electric submarine HNLMS Walrus (S802) penetrated the layered defensive escort screen around the U.S. Navy’s...
Australia’s HMAS Waller, a Collins-class diesel-electric submarine, ‘notionally’ sank a U.S. Navy nuclear-powered aircraft carrier in a wargame simulation and several escorts at the...
The U.S. Navy took delivery of its 25th Virginia-class fast-attack submarine — the USS Massachusetts (SSN-798) — in November 2025. The seventh Block IV...
“The Dodge Durango of submarines.” That’s how a former U.S. Navy admiral described the Virginia-class attack submarine. The framing is correct by every credible...
Britain’s four Vanguard-class ballistic-missile submarines carry the entire United Kingdom nuclear deterrent. Each 15,900-ton boat is powered by a Rolls-Royce PWR2 nuclear reactor, runs...
In a 2005 U.S. Navy war game, a Swedish Stirling AIP-powered Gotland-class submarine slipped past the screen and “sank” a U.S. aircraft carrier. Twenty-one...
Nearly 40 percent of the U.S. Navy’s 49 attack submarines are sitting in port awaiting repairs, the result of dry-dock shortages, workforce gaps, and...
In April 1989, the Soviet nuclear-powered submarine K-278 Komsomolets caught fire in its engineering compartment during a routine patrol off Norway’s Bear Island. The...