The Navy is moving ahead with plans to explore a second life-extension of the Trident II D5 submarine-launched ballistic missile, a project that would keep the strategic weapon system -- which began full-scale development in 1983 -- in service for the life of the new Columbia-class submarine fleet through 2083, potentially stretching the life of the Trident across a century. In March 2016, an Air Force-Navy team assessed opportunities for common parts and components in each services' respective strategic ballistic...
