Poseidon
The underwater ICBM gets better
Weapon Specifications
Note that the relationship between explosive power and destruction is not linear—a weapon’s destructive effects grow far more slowly than its explosive power.
Explosive Power
10 or 14 warheads at 40 kilotons each
Hiroshima Equivalent Factor
2.6x each warhead
Dimensions
34.1 ft. x 74 inches
Weight
64,400 lbs.
Range
3666 miles
Year(s)
1971–1979
Purpose
An improved sub-launched nuclear missile
Videos
These curated videos provide additional context for this weapon — showing test footage, deployment scenes, technical explanations, interviews, or other historical material, allowing viewers to go deeper into the weapon’s design, use, and place in nuclear history.