How quickly a submarine can move under the surface might surprise you, and these are the fastest the world militaries have to offer.

The remaining four are Vanguard-class ballistic missile submarines (SSBN), which carry the UK’s Trident nuclear missile system. A new group, the Dreadnought class, will be introduced in the ...

The UK waters will soon be patrolled by 12 new ‘apex predator’ attack submarines. The military’s weapon arsenal includes the secretive nuclear-powered and armed submarines, which only a ...

The remaining four are Vanguard-class ballistic missile submarines (SSBN), which carry the UK’s Trident nuclear missile system. A new group, the Dreadnought class, will be introduced in the ...

After 204 days, a Royal Navy nuclear-powered submarine broke the record for how long a crew was out on the open ocean. The UK’s Royal Navy operates just four Vanguard -class nuclear-powered ...

TYSONS CORNER, VA, Oct. 4, 2016 A BAE Systems -led program that seeks to replace the British navy s Vanguard -class submarines has received an estimated $1.7 billion in funds from the U.K. defense ...