Trident II D5 Missile: Keeping Up with Changing Times
October 31/18: Trident II AWS The US Navy is modifying a contract signed with BAE Systems. An additional $9.5 million are being awarded for engineering and integration services on the Trident II, SSGN attack weapon system and strategic weapon surety. The Trident II (D5) strategic weapons system is installed on US Navy Ohio-class submarines and UK Royal Navy Vanguard-class submarines. Each Vanguard class submarine has 16 missile tubes and ejects missiles by using high-pressure gas. The Ohio-class submarines can carry up to 24 submarine-launched ballistic missiles (SLBMs) with multiple independently-targeted warheads. BAE is not just working on the current Ohio-class submarines, but is also working on the integration of the Trident II D5 SLBM into the future Columbia-class submarines, by leading weapon system interface coordination and configuration management. Work will be performed at multiple locations such as, Rockville, Maryland; Barrow, United Kingdom and New Paris, Ohio. The Navy has obligated more than $1 million from FY 2019 Navy research and development test and evaluation funds, in addition to more than $8.4 million in UK funds.
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 strike, because the submarines were nearly impossible to locate and target. Which meant that Soviet leaders could not hope to destroy all of America’s nuclear weapons before they could be launched against Soviet territory. SLBM/FBM (Submarine Launched Ballistic Missile/ Fleet Ballistic Missile) offered shorter ranges and less accuracy than their land-based ICBM (Inter-Continental Ballistic Missile) counterparts, but the advent of Trident C4 missiles began extending those ranges, and offering other improvements. The C4s were succeeded by larger Trident II D5 missiles, which added precision accuracy and more payload.
The year that the Trident II D5 ballistic missile was first deployed, 1990, saw the beginning of the end of the missile’s primary mission. Even as the Soviet Union began to implode, the D5’s performance improvements were making the Trident submarine force the new backbone of the USA’s nuclear deterrent – and of Britain’s as well. To ensure that this capability was maintained at peak readiness and safety, the US Navy undertook a program in 2002 to replace aging components of the Trident II D5 missile called the D5 Life Extension (LE) Program. This article covers D5 LE, as well as support and production contracts associated with the American and British Trident missile fleets.
D5 Life Extension Program
Contracts and Key Events
FY 2014 – 2018
FY 2007 – 2008
FY 2005 – 2006
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