He said the accident punctured the Trident missile's metal cover, called the "shroud", which surrounds "re-entry vehicles" containing nuclear warheads.

Trident II (D5) is the latest generation of submarine-launched fleet ballistic missiles (SLBMs), equipped with multiple independently targetable re-entry vehicles (MIRV) and thermonuclear warheads.

Lockheed Martin Corp.’s LMT business unit, Space Systems, recently clinched a modification contract for Trident II (D5) missile production and deployed systems support. Work related to the deal ...

The Royal Navy’s four Vanguard-class submarines are the United Kingdom’s ultimate weapon and the cornerstone of its nuclear deterrent. -These massive, nuclear-powered ballistic missile submarines ...

Trident II D5 missiles are currently aboard U.S. Ohio -class and U.K. Vanguard -class submarines and designed to carry multiple independently targeted re-entry vehicle warheads.