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The W56 (originally called the Mark 56) was an American thermonuclear warhead produced starting in 1963 which saw service until 1993, on the Minuteman I and II ICBMs.
History & Art
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warhead production mod 1963 kg may new xw-56-x1 mark began minuteman produced design reentry vehicle weapon warheads march yield program
| Subject | Predicate | Object | Confidence | Src |
|---|---|---|---|---|
| W56 | Blast yield | 1,200 kilotonnes of TNT (5,000 TJ) | 1.00 | infobox |
| W56 | Designed | 1959 to 1963 | 1.00 | infobox |
| W56 | Designer | Lawrence Livermore National Laboratory | 1.00 | infobox |
| W56 | Detonation mechanism | Contact, airburst | 1.00 | infobox |
| W56 | Diameter | 17.4 inches (440 mm) sans RV | 1.00 | infobox |
| W56 | In service | 1963-1993 | 1.00 | infobox |
| W56 | Length | 47.3 inches (1,200 mm) sans RV[citation needed] | 1.00 | infobox |
| W56 | Mass | 600 pounds (270 kg) sans RV | 1.00 | infobox |
| W56 | No. built | 1000 | 1.00 | infobox |
| W56 | Produced | March 1963 to May 1969. | 1.00 | infobox |
| W56 | Type | Nuclear warhead | 1.00 | infobox |
| W56 | Used by | United States | 1.00 | infobox |
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