The Triomphant is a strategic nuclear submarine of the French Navy; she is the lead boat of her class.

The planned contingent of eight strategic submarines is expected to be commissioned within the next decade (five Project 955 are planned for purchase through 2015).

By late October the Russian Pacific Fleet was fully prepared to host Russia's new Borei-class strategic nuclear-powered submarines.

The Vigilant is a strategic nuclear submarine of the French Navy.

The strategic submarines are based at Île Longue, near Brest harbour.

But China has no intercontinental-range bomber force, and its lone strategic submarine rarely leaves port.

U.S. Navy captain of "Ulysses" strategic nuclear submarine.

Le Terrible is a Triomphant class strategic nuclear submarine of the French Navy.

Crozon harbours Île Longue, the base of the French strategic nuclear submarines.

He served on the K-219, a Soviet strategic nuclear-powered submarine.