U.S. Navy scientists use microscopic precision to keep Trident II D5 missiles ready and sustain America’s nuclear deterrent

Navy Scientists Support Trident Missile System

AUGUST 25, 2026 – The pristine precision needed to certify the nation’s underwater nuclear deterrent is anchored on the talents of civilian scientists at a Navy laboratory in Southern California. At Naval Surface Warfare Center Corona Division, scientists can measure parts down to millionths of an inch — the level of exactitude required to keep the Navy’s Trident nuclear missiles ready. The Trident II D5 Life Extension ballistic missile is launc…

U.S. Navy scientists use microscopic precision to keep Trident II D5 missiles ready and sustain America’s nuclear deterrent

The Trident II D5LE ballistic missile is launched underwater from submarines and provides a survivable response to aggression. The Navy’s Portfolio Acquisition Executive Strategic Systems Programs supplies the highly accurate and reliable weapon system to U.S. forces. The Measurement Science and Technology Laboratory at Naval Surface Warfare Center Corona Division controls and certifies the specialized tools used during missile assembly. Known a…