Trident II D5 Missile: Keeping Up with Changing Times

March 5/24: Lockheed Martin Space won a $109.3 million contract to support the integration of the Trident II (D5) Missile and reentry subsystems into the Common Missile Compartment for the US/UK Columbia/Dreadnought submarine construction programs. Work is expected to be complete by February 28, 2029. Strategic Systems Programs, Washington, DC, is the contracting activity.



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Trident II D5 Test Launch (click to view full) Nuclear tipped missiles were first deployed on board US submarines at the height of the Cold War in the 1960s, to deter a Soviet first strike. The deterrence theorists argued that, unlike their land-based cousins, submarine-based nuclear weapons couldn’t be taken out by a surprise first […]

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