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The Mark 6 nuclear bomb was an American nuclear bomb based on the earlier Mark 4 nuclear bomb and its predecessor, the Mark 3 Fat Man nuclear bomb design.

The Mark 6 was in production from 1951 to 1955 and saw service until 1962. Seven variants and versions were produced, with a total production run of all models of 1100 bombs.

The basic Mark 6 design was 61 inches (150 cm) in diameter and 128 inches (330 cm) long, the same basic dimensions as the Mark 4. Various models of the Mark 6 were roughly 25% lighter than either the Mark 4 or Fat Man, and weighed 7,600 to 8,500 pounds (3,400–3,900 kg).

Early models of the Mark 6 used the same 32-point implosion system design concept as the earlier Mark 4 and Mark 3; the Mark 6 Mod 2 and later used a different, 60-point implosion system.

Various models and pit options gave nuclear yields of 18, 26, 80, 154, and 160 kilotons for Mark 6 models.

Survivors

There are several Mark 6 casings on display:

• Defense Nuclear Weapons School on Kirtland Air Force Base in Albuquerque, New Mexico
• Cold War Gallery of the National Museum of the United States Air Force in Dayton, Ohio
• Museum of Aviation (Warner Robins) in Warner Robins, Georgia
• Hill Aerospace Museum in Ogden, Utah

Variants

Mark 13

The Mark 13 nuclear bomb and W13 missile warhead were developed as higher-efficiency Mark 6 successors, the same size and basic configuration as the Mark 6 but utilizing an improved 92-point implosion system. The Mark 13 was cancelled in August 1954 and the W13 cancelled September 1954, in both cases without ever seeing production service.

Mark 18

The Mark 18 nuclear bomb was a follow-on to the Mark 6 and Mark 13, utilizing a fissile pit assembly with around 60 kilograms of HEU and delivering a yield of 500 kilotons, the largest pure-fission (non-thermonuclear) bomb design ever developed by the US. Mark 18 bombs were eventually recycled into Mark 6 Mod 6 bombs after thermonuclear weapons were deployed in quantity. The Mark 18 was tested once in Operation Ivy King.

XM1 Atomic Demolition Munition

An Atomic Demolition Munition, the XM1 was developed. Few details on the system exist.[1]

See also

• List of nuclear weapons
• 1958 Mars Bluff B-47 nuclear weapon loss incident

References

External links

• Allbombs.html list of all US nuclear warheads at nuclearweaponarchive.org

На других языках

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- [en] Mark 6 nuclear bomb

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[ru] Mk.6

Mk.6 — американская 60-дюймовая атомная бомба, разработанная Лос-Аламосской национальной лабораторией[1]. В 1950-х годах была основным оружием стратегической авиации США и состояла на вооружении до 1962 года. В 1956 в Mk.6 переделали 90 бомб Mk.18. Всего было изготовлено около 1100 бомб этого типа.

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