Britain and France operate two of Europe's most capable navies, but how would they compare in a hypothetical open-ocean battle? This video examines the Royal Navy's Queen Elizabeth-class aircraft ...

Officials have also announced £470 million in additional expenditure over four years to improve security across Britain's ...

Preliminary notice seeks XLUUV builders, payload makers and AI developers, with Excalibur and Herne the obvious candidates ...

The 40ft-long Excalibur crew-less vessel launched a US warhead in secret trials, copying the capability of more expensive and much larger manned submarines.

HMS Agamemnon is the sixth vessel in the Astute class and will undergo sea trials after arriving on the Clyde.

In a major step towards mission readiness, the vessel's maiden journey began by traversing the shipyard's dock to reach the Walney Channel.

The huge drone submersible is 12 metres long and has a displacement of 19 tonnes ...

The UK’s Vanguard-class submarines are typically only equipped for 99-day patrols, leading to speculation that the vessel had quietly resupplied part of the way through its journey. Spring is in the ...

During the American Revolution, the Turtle made history as the world’s first combat-ready submarine. If all went according to plan, the driver of the acorn-shaped submersible—constructed out of oak ...