4. Trident II D5 Missile
Deployed by the United States and the United Kingdom, the Trident II D5 is a submarine-launched ballistic missile (SLBM) known for its pinpoint accuracy and long range. Each missile can carry multiple warheads and travel over 7,000 miles. Mounted on Ohio-class and Vanguard-class submarines, Trident II forms a crucial part of both countries’ nuclear triad.