The SSBN’s strategic weapon is the Trident II D5 missile, which provides increased range and accuracy over the now out-of-service Trident I C4 missile. SSBNs are specifically designed for ...

The class’s endurance is estimated at 60 days. The Vanguard carries the UK’s essential nuclear deterrent, the Trident missile. These weapons can be fired at targets up to 4,000 miles away and ...

Per the terms of the deal, the company will design the upgraded missile, called the Trident II D5 Life Extension 2 (D5LE2), which will be carried aboard COLUMBIA-class ballistic missile submarines to ...