New Nuclear-Armed Trident II D5LE Missile Improves Navigation, Targeting, Firing A new, life-extended variant of the weapon, called the Trident II D5LE, was first installed in 2017 Kris Osborn · February 27, 2019 Please leave this field emptyStay Updated with Warrior Maven Subscribe for daily military news and updates delivered straight to your inbox. We don’t spam! Read our privacy policy for more info. Check your inbox or spam folder to confirm your subscription.