The Trident II D5 missile uses the Mk 6 Astro-Inertial Guidance System to achieve 90-meter precision over intercontinental distances by comparing real-time star positions with pre-programmed data to correct for mechanical drift at 13,000 mph, enabling accurate strikes without GPS reliance.
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The Nuclear Missile That Navigates by the StarsAdded:
My comments went crazy when I said this missile reads the stars. Here is how it actually works. Initially, the Trident 2D5 relies on internal motion sensors, but flying at 13,000 mph causes natural drift, which would ruin its accuracy. To fix this, it uses the MK6 Astro inertial guidance system. Once the missile reaches the vacuum of space, a specialized camera opens to lock on to pre-programmed stars. By comparing the stars actual positions to its internal data, the missile calculates its exact location. It then fires tiny thrusters to perfect its trajectory before releasing its warheads. By double-checking its math against the cosmos, the Trident can travel halfway across the globe and strike with a devastating precision of just 90
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