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- W71 abstract "The W-71 nuclear warhead was a US thermonuclear warhead developed at Lawrence Livermore National Laboratory in California and deployed on the LIM-49A Spartan missile, a component of the Safeguard Program, an anti-ballistic missile (ABM) defense system briefly deployed by the US in the 1970s.The W-71 warhead was designed to intercept incoming enemy warheads at long range, as far as 450 miles (720 km) from the launch point. The interception took place at such high altitudes, comparable to low earth orbit, where there is practically no air. At these altitudes, x-rays generated by the nuclear reactions can destroy incoming reentry vehicles at distances on the order of 10 miles (16 km), which made the problem of guiding the missile to the required accuracies much simpler than earlier designs that had lethal ranges of less than 1,000 feet (300 m).The W-71 warhead had a yield of around 5 megatons of TNT (21 PJ). The warhead package was roughly a cylinder, 42 inches (1.1 m) in diameter and 101 inches (2.6 m) long. The complete warhead weighed around 2,850 pounds (1,290 kg).The W71 produced great amounts of x-rays, and needed to minimize fission output and debris to reduce the radar blackout effect that fission products and debris produce on anti-ballistic missile radar systems.".
- W71 thumbnail Spartanwarhd.jpg?width=300.
- W71 wikiPageExternalLink 0,9171,905376,00.html.
- W71 wikiPageExternalLink Allbombs.html.
- W71 wikiPageExternalLink w71.htm.
- W71 wikiPageExternalLink Spartanwarhd.jpg.
- W71 wikiPageID "4561204".
- W71 wikiPageLength "14235".
- W71 wikiPageOutDegree "60".
- W71 wikiPageRevisionID "699714423".
- W71 wikiPageWikiLink 1973_Soviet_nuclear_tests.
- W71 wikiPageWikiLink Advocacy_group.
- W71 wikiPageWikiLink Alaska.
- W71 wikiPageWikiLink Aleutian_Islands.
- W71 wikiPageWikiLink Amchitka.
- W71 wikiPageWikiLink Anti-ballistic_missile.
- W71 wikiPageWikiLink Atmospheric_entry.
- W71 wikiPageWikiLink Atomic_Journeys.
- W71 wikiPageWikiLink Beta_decay.
- W71 wikiPageWikiLink Category:Lawrence_Livermore_National_Laboratory.
- W71 wikiPageWikiLink Category:Military_in_Alaska.
- W71 wikiPageWikiLink Category:Nuclear_warheads_of_the_United_States.
- W71 wikiPageWikiLink Depleted_uranium.
- W71 wikiPageWikiLink Electronvolt.
- W71 wikiPageWikiLink File:Spartanwarhd.jpg.
- W71 wikiPageWikiLink Greenpeace.
- W71 wikiPageWikiLink Half-life.
- W71 wikiPageWikiLink Heat_shield.
- W71 wikiPageWikiLink Inertial_confinement_fusion.
- W71 wikiPageWikiLink Intercontinental_ballistic_missile.
- W71 wikiPageWikiLink Isotopes_of_gold.
- W71 wikiPageWikiLink LIM-49_Nike_Zeus.
- W71 wikiPageWikiLink LIM-49_Spartan.
- W71 wikiPageWikiLink Lawrence_Livermore_National_Laboratory.
- W71 wikiPageWikiLink Lead.
- W71 wikiPageWikiLink List_of_states_with_nuclear_weapons.
- W71 wikiPageWikiLink Low_Earth_orbit.
- W71 wikiPageWikiLink Mean_free_path.
- W71 wikiPageWikiLink Mike_Gravel.
- W71 wikiPageWikiLink Moseleys_law.
- W71 wikiPageWikiLink Multiple_independently_targetable_reentry_vehicle.
- W71 wikiPageWikiLink National_Ignition_Facility.
- W71 wikiPageWikiLink Neutron_capture.
- W71 wikiPageWikiLink Nuclear_fission_product.
- W71 wikiPageWikiLink Obsolescence.
- W71 wikiPageWikiLink Operation_Fishbowl.
- W71 wikiPageWikiLink Operation_Grommet.
- W71 wikiPageWikiLink Operation_Mandrel.
- W71 wikiPageWikiLink Operation_Plowshare.
- W71 wikiPageWikiLink Partial_Nuclear_Test_Ban_Treaty.
- W71 wikiPageWikiLink Penetration_aid.
- W71 wikiPageWikiLink Radionuclide.
- W71 wikiPageWikiLink Richter_magnitude_scale.
- W71 wikiPageWikiLink Rope_trick_effect.
- W71 wikiPageWikiLink Safeguard_Program.
- W71 wikiPageWikiLink Service_life.
- W71 wikiPageWikiLink Shock_wave.
- W71 wikiPageWikiLink Thermonuclear_weapon.
- W71 wikiPageWikiLink Warhead.
- W71 wikiPageWikiLink Welcome_To_Ground_Zero.
- W71 wikiPageWikiLink X-ray.
- W71 wikiPageWikiLink File:1971-CANNIKIN-2.jpg.
- W71 wikiPageWikiLinkText "W71".
- W71 wikiPageUsesTemplate Template:Citation_needed.
- W71 wikiPageUsesTemplate Template:Convert.
- W71 wikiPageUsesTemplate Template:Dubious.
- W71 wikiPageUsesTemplate Template:Reflist.
- W71 wikiPageUsesTemplate Template:Sfn.
- W71 wikiPageUsesTemplate Template:United_States_nuclear_devices.
- W71 subject Category:Lawrence_Livermore_National_Laboratory.
- W71 subject Category:Military_in_Alaska.
- W71 subject Category:Nuclear_warheads_of_the_United_States.
- W71 hypernym Warhead.
- W71 type Weapon.
- W71 type Institute.
- W71 comment "The W-71 nuclear warhead was a US thermonuclear warhead developed at Lawrence Livermore National Laboratory in California and deployed on the LIM-49A Spartan missile, a component of the Safeguard Program, an anti-ballistic missile (ABM) defense system briefly deployed by the US in the 1970s.The W-71 warhead was designed to intercept incoming enemy warheads at long range, as far as 450 miles (720 km) from the launch point.".
- W71 label "W71".
- W71 sameAs Q282357.
- W71 sameAs W71.
- W71 sameAs W71_(核弾頭).
- W71 sameAs W71.
- W71 sameAs m.0c8z9j.
- W71 sameAs Q282357.
- W71 wasDerivedFrom W71?oldid=699714423.
- W71 depiction Spartanwarhd.jpg.
- W71 isPrimaryTopicOf W71.
