- W58
The W58 was an American thermonuclear warhead used on the Polaris A-3 submarine launched ballistic missile. Three W58 warheads were fitted as multiple warheads on each Polaris A-3 missile.
The W58 was 15.6 inches in diameter and 40.3 inches long, with a basic weight for the warhead of 257 pounds. The yield was 200
kiloton s.The W58 design entered service in 1964 and the last models were retired in 1982 with the last Polaris missiles.
Researcher Chuck Hansen claims based on his US nuclear program research that the
W55 and W58 warheads shared a common Primary or fission first stage, and that this design was nicknamed theKinglet primary [http://www.thebulletin.org/article.php?art_ofn=ma01hansen Hansen 2001] .ee also
*
List of nuclear weapons
*UGM-27 Polaris
*Kinglet primary
*W55 External links
* [http://nuclearweaponarchive.org/Usa/Weapons/Allbombs.html Allbombs.html] list of all US nuclear warheads at [http://nuclearweaponarchive.org nuclearweaponarchive.org]
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