Mark 18 nuclear bomb
E851125
The Mark 18 nuclear bomb was an early high-yield thermonuclear weapon developed and deployed by the United States during the Cold War.
Statements (30)
| Predicate | Object |
|---|---|
| instanceOf |
gravity bomb
ⓘ
nuclear weapon ⓘ thermonuclear weapon ⓘ |
| conflictContext | early Cold War arms race ⓘ |
| countryOfOrigin |
United States of America
ⓘ
surface form:
United States
|
| deliveryMethod | air-dropped ⓘ |
| deploymentPeriod | early 1950s ⓘ |
| deploymentStatus | deployed ⓘ |
| designBasis | Ivy King device NERFINISHED ⓘ |
| designFeature |
levitated core
ⓘ
very large fission primary ⓘ |
| developedBy |
Los Alamos National Laboratory
NERFINISHED
ⓘ
United States NERFINISHED ⓘ |
| diameter | approximately 61 inches ⓘ |
| era | Cold War ⓘ |
| historicalSignificance | one of the highest-yield pure-fission weapons ever fielded ⓘ |
| length | approximately 11.7 feet ⓘ |
| nuclearWeaponType | fission bomb ⓘ |
| numberBuilt | limited production run ⓘ |
| replacedBy | Mark 6 nuclear bomb variants ⓘ |
| retired | mid-1950s ⓘ |
| safetyFeature | in-flight insertion of nuclear core ⓘ |
| serviceEntry | 1953 ⓘ |
| usedBy | United States Air Force ⓘ |
| warheadCoreMaterial |
highly enriched uranium
ⓘ
plutonium ⓘ |
| weaponClass | strategic nuclear weapon ⓘ |
| weight | approximately 8,500 pounds ⓘ |
| yield | approximately 500 kilotons of TNT ⓘ |
| yieldType | high-yield ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.