The Navy is proposing a $700 million, six-year project to define a second life extension of the Trident II D5 submarine-launched ballistic missile to keep the 27-year old strategic weapon system in service for the life of the new Columbia-class submarine fleet through 2083, potentially stretching the life of the Trident across a century. The Navy's fiscal year 2021 budget request details a new plan for a series of studies and requirements analyses that would culminate in fiscal year 2025...
