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- Mark_4_nuclear_bomb diameter "1524.0".
- Mark_4_nuclear_bomb length "3251.2".
- Mark_4_nuclear_bomb abstract "The Mark 4 nuclear bomb was an American nuclear bomb design produced starting in 1949 and in use until 1953.The Mark 4 was based on the earlier Mark 3 Fat Man design, used in the Trinity test and the bombing of Nagasaki. The Mark 3 design was essentially handmade and designed as an emergency wartime expedient design; the Mark 4 utilized essentially the same basic design (materials, dimensions of the nuclear core and explosive components) but reengineered the whole design to be safer and easier to produce. The basic idea was to \"GI-proof\" otherwise sensitive nuclear weapons.The Mark 4 was 60 inches (1.5 m) in diameter and 128 inches (3.3 m) long, the same basic dimensions as Mark 3. It weighed slightly more at 10,800 to 10,900 pounds (4,900 to 4,940 kg), depending on the specific Mark 4 version. (Mark 3 weighed 10,200 lb or 4,630 kg.)In addition to being easier to manufacture, the Mark 4 introduced the concept of in flight insertion (IFI), a weapons safety concept which was used for a number of years. An IFI bomb has either manual or mechanical assembly, which keeps the nuclear core stored outside the bomb until close to the point that it may be dropped. To arm the bomb, the fissile nuclear materials are inserted into the bomb core through a removable segment of the explosive lens assembly, which is then replaced and the weapon closed and armed.Mark 4 models used composite uranium and plutonium fissile pits. The exact pit assemblies were common with several other U.S. nuclear weapons, the Type C and Type D pit assemblies.Along with being composite cores, the device was the first weapon to rely upon levitated-pit implosion. These early weapons with a levitated pit had a removable pit, called an open pit. It was stored separately, in a special capsule called a birdcage.Various versions of the Mark 4 had explosive yields of 1, 3.5, 8, 14, 21, 22, and 31 kilotons (4 to 130 TJ).A total of 550 Mark 4 nuclear weapons were produced and was succeeded by the Mk6, which was generally similar, but much improved.".
- Mark_4_nuclear_bomb diameter "1.524".
- Mark_4_nuclear_bomb length "3.2512".
- Mark_4_nuclear_bomb origin United_States.
- Mark_4_nuclear_bomb thumbnail Mk4_Fat_Man_bomb.jpg?width=300.
- Mark_4_nuclear_bomb type Nuclear_weapon.
- Mark_4_nuclear_bomb wikiPageExternalLink Allbombs.html.
- Mark_4_nuclear_bomb wikiPageExternalLink nuclearweaponarchive.org.
- Mark_4_nuclear_bomb wikiPageID "4727115".
- Mark_4_nuclear_bomb wikiPageLength "5150".
- Mark_4_nuclear_bomb wikiPageOutDegree "25".
- Mark_4_nuclear_bomb wikiPageRevisionID "695237645".
- Mark_4_nuclear_bomb wikiPageWikiLink 1950_British_Columbia_B-36_crash.
- Mark_4_nuclear_bomb wikiPageWikiLink Atomic_bombings_of_Hiroshima_and_Nagasaki.
- Mark_4_nuclear_bomb wikiPageWikiLink Category:Cold_War_aerial_bombs_of_the_United_States.
- Mark_4_nuclear_bomb wikiPageWikiLink Category:Nuclear_bombs_of_the_United_States.
- Mark_4_nuclear_bomb wikiPageWikiLink Fat_Man.
- Mark_4_nuclear_bomb wikiPageWikiLink Joule.
- Mark_4_nuclear_bomb wikiPageWikiLink List_of_nuclear_weapons.
- Mark_4_nuclear_bomb wikiPageWikiLink Mark_6_nuclear_bomb.
- Mark_4_nuclear_bomb wikiPageWikiLink Nuclear_weapon.
- Mark_4_nuclear_bomb wikiPageWikiLink Nuclear_weapon_design.
- Mark_4_nuclear_bomb wikiPageWikiLink Pit_(nuclear_weapon).
- Mark_4_nuclear_bomb wikiPageWikiLink Plutonium.
- Mark_4_nuclear_bomb wikiPageWikiLink SM-62_Snark.
- Mark_4_nuclear_bomb wikiPageWikiLink TNT_equivalent.
- Mark_4_nuclear_bomb wikiPageWikiLink Trinity_(nuclear_test).
- Mark_4_nuclear_bomb wikiPageWikiLink United_States.
- Mark_4_nuclear_bomb wikiPageWikiLink United_States_Air_Force.
- Mark_4_nuclear_bomb wikiPageWikiLink Uranium.
- Mark_4_nuclear_bomb wikiPageWikiLinkText "MK-4 atomic bomb".
- Mark_4_nuclear_bomb wikiPageWikiLinkText "Mark 4 nuclear bomb".
- Mark_4_nuclear_bomb wikiPageWikiLinkText "Mark 4 nuclear bomb#W4 missile warhead".
- Mark_4_nuclear_bomb wikiPageWikiLinkText "Mark 4".
- Mark_4_nuclear_bomb wikiPageWikiLinkText "Mark IV nuclear bomb".
- Mark_4_nuclear_bomb wikiPageWikiLinkText "Mark IV".
- Mark_4_nuclear_bomb wikiPageWikiLinkText "Mk-4".
- Mark_4_nuclear_bomb wikiPageWikiLinkText "W4".
- Mark_4_nuclear_bomb wikiPageWikiLinkText "in flight insertion".
- Mark_4_nuclear_bomb wikiPageWikiLinkText "nuclear weapons of the era".
- Mark_4_nuclear_bomb alt "A large bomb resting on a cradle".
- Mark_4_nuclear_bomb caption "A Mark 4N aluminum bomb casing. Stockpile Mk 4's used a 2,830 lb. steel casing.".
- Mark_4_nuclear_bomb crew "1".
- Mark_4_nuclear_bomb detonation "focussed high explosive implosion".
- Mark_4_nuclear_bomb filling "Composite uranium and plutonium fissile pits".
- Mark_4_nuclear_bomb imageSize "350".
- Mark_4_nuclear_bomb isExplosive "y".
- Mark_4_nuclear_bomb name "Mark 4 nuclear bomb".
- Mark_4_nuclear_bomb number "550".
- Mark_4_nuclear_bomb origin United_States.
- Mark_4_nuclear_bomb service "1949".
- Mark_4_nuclear_bomb type "Air-dropped Nuclear fission weapon".
- Mark_4_nuclear_bomb usedBy United_States_Air_Force.
- Mark_4_nuclear_bomb wikiPageUsesTemplate Template:Convert.
- Mark_4_nuclear_bomb wikiPageUsesTemplate Template:Infobox_weapon.
- Mark_4_nuclear_bomb wikiPageUsesTemplate Template:Refimprove.
- Mark_4_nuclear_bomb wikiPageUsesTemplate Template:Reflist.
- Mark_4_nuclear_bomb wikiPageUsesTemplate Template:United_States_nuclear_devices.
- Mark_4_nuclear_bomb yield ", depending on construction and/or pit".
- Mark_4_nuclear_bomb subject Category:Cold_War_aerial_bombs_of_the_United_States.
- Mark_4_nuclear_bomb subject Category:Nuclear_bombs_of_the_United_States.
- Mark_4_nuclear_bomb hypernym Design.
- Mark_4_nuclear_bomb type Device.
- Mark_4_nuclear_bomb type Weapon.
- Mark_4_nuclear_bomb type Product.
- Mark_4_nuclear_bomb type Thing.
- Mark_4_nuclear_bomb type Q728.
- Mark_4_nuclear_bomb comment "The Mark 4 nuclear bomb was an American nuclear bomb design produced starting in 1949 and in use until 1953.The Mark 4 was based on the earlier Mark 3 Fat Man design, used in the Trinity test and the bombing of Nagasaki.".
- Mark_4_nuclear_bomb label "Mark 4 nuclear bomb".
- Mark_4_nuclear_bomb sameAs Q1048857.
- Mark_4_nuclear_bomb sameAs Mark_4_(核爆弾).
- Mark_4_nuclear_bomb sameAs Mark_4.
- Mark_4_nuclear_bomb sameAs m.0ck9g1.
- Mark_4_nuclear_bomb sameAs Q1048857.
- Mark_4_nuclear_bomb sameAs Mk_4原子彈.
- Mark_4_nuclear_bomb wasDerivedFrom Mark_4_nuclear_bomb?oldid=695237645.
- Mark_4_nuclear_bomb depiction Mk4_Fat_Man_bomb.jpg.
- Mark_4_nuclear_bomb isPrimaryTopicOf Mark_4_nuclear_bomb.
- Mark_4_nuclear_bomb name "Mark 4 nuclear bomb".