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Nuclear weapon: Difference between revisions
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==Overview== | ==Overview== | ||
Nuclear weapons are commonplace in the [[United Nations Space Command]]'s arsenal and in select [[civilian]] uses. The UNSC uses nuclear weapons to great effect in [[space warfare]], increasing their effectiveness with special payloads enhanced for vacuum use.<ref>'''Halo: Ghosts of Onyx''', "Chapter 35" ''page 326''</ref> Throughout the [[Insurrection]] and early on in the [[Human-Covenant War]], space-borne UNSC nuclear weapons used proximity-fused warheads that relied on the detonation's direct radiation and thermal shock, which quickly proved ineffective against [[Covenant]] warships' [[energy shielding]]. As a result, the UNSC developed new types of warheads sporting [[Wikipedia:Nuclear pumped laser|nuclear-pumped]] X-ray lasers<ref name="warfleet 16">''[[Halo: Warfleet]]'', p. 16</ref> and Casaba Howitzer-type shaped-charge warheads known as "Spears", which focus the nuclear blast into a directed, relativistic plasma jet.<ref>''Halo: Warfleet'', p. 92</ref> Conventional nuclear weapons are still used in [[planetary warfare]] as tools of last resort. | Nuclear weapons are commonplace in the [[United Nations Space Command]]'s arsenal and in select [[civilian]] uses. The UNSC uses nuclear weapons to great effect in [[space warfare]], increasing their effectiveness with special payloads enhanced for vacuum use.<ref>'''Halo: Ghosts of Onyx''', "Chapter 35" ''page 326''</ref> Throughout the [[Insurrection]] and early on in the [[Human-Covenant War]], space-borne UNSC nuclear weapons used proximity-fused warheads that relied on the detonation's direct radiation and thermal shock, which quickly proved ineffective against [[Covenant]] warships' [[energy shielding]]. As a result, the UNSC developed new types of warheads sporting [[Wikipedia:Nuclear pumped laser|nuclear-pumped]] X-ray lasers<ref name="warfleet 16">''[[Halo: Warfleet]]'', p. 16</ref> and Casaba Howitzer-type shaped-charge warheads known as "Spears", which focus the nuclear blast into a directed, relativistic plasma jet.<ref>''Halo: Warfleet'', p. 92</ref> Conventional nuclear weapons are still used in [[planetary warfare]] as tools of last resort.{{Ref/Reuse|warfleet 16}} Some planetary nuclear weapons also have shaped-charge properties, such as the [[HAVOK tactical nuclear weapon#Mark 2550 MFDD|Mark 2550 Havok MFDD]], a bunker buster warhead designed to direct its blast against underground targets.<ref>'''Halo: Last Light''', ''page 364'' (Google Play edition)</ref> | ||
Commonly, the casings of UNSC nuclear weapons such as the [[FENRIS nuclear warhead]]s are heavily reinforced, both to contain [[radiation]] and to boost the thermonuclear yield for containing the detonation for a split second longer.<ref>'''Halo: Ghosts of Onyx''', "Chapter 1", ''page 39''</ref> The hardened cases also protect the nukes inside and prevent them from going off accidentally - it was noted that detonating a bomb next to a FENRIS warhead would barely scratch the casing.<ref>'''Halo: Ghosts of Onyx''', "Chapter 23", ''page 209''</ref> There are various grades for the types of nuclear weapons. An example is the excavation-grade [[HAVOK tactical nuclear weapon]]. While presumably not as powerful as a military-grade weapon, a single warhead is described as being powerful enough to turn [[Ivanoff Station]] "into piñata" and was powerful enough to destroy ''[[Mantle's Approach]]'' and the [[Composer]] when detonated on the inside of the ship. | Commonly, the casings of UNSC nuclear weapons such as the [[FENRIS nuclear warhead]]s are heavily reinforced, both to contain [[radiation]] and to boost the thermonuclear yield for containing the detonation for a split second longer.<ref>'''Halo: Ghosts of Onyx''', "Chapter 1", ''page 39''</ref> The hardened cases also protect the nukes inside and prevent them from going off accidentally - it was noted that detonating a bomb next to a FENRIS warhead would barely scratch the casing.<ref>'''Halo: Ghosts of Onyx''', "Chapter 23", ''page 209''</ref> There are various grades for the types of nuclear weapons. An example is the excavation-grade [[HAVOK tactical nuclear weapon]]. While presumably not as powerful as a military-grade weapon, a single warhead is described as being powerful enough to turn [[Ivanoff Station]] "into piñata" and was powerful enough to destroy ''[[Mantle's Approach]]'' and the [[Composer]] when detonated on the inside of the ship. | ||
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==History== | ==History== | ||
[[File:HWF_Longsword_Nukes.png|thumb|250px|Nuclear weapons carried by a [[GA-TL1 Longsword]]. | [[File:HWF_Longsword_Nukes.png|thumb|250px|Nuclear weapons carried by a [[GA-TL1 Longsword]].{{Ref/Reuse|warfleet 16}}]] | ||
The first space-borne nuclear weapons were used during the [[Interplanetary War]] in the 22nd century.<ref>'''Halo 4: The Essential Visual Guide''', ''page 74''</ref> However, they were not considered a viable weapon of space warfare for the next several hundred years; at the time of the start of the [[Insurrection]] in [[2494]] it was widely believed that fissile detonations in space were practically useless, as the vacuum of space severely reduces the explosive yield and the resulting [[electromagnetic pulse]]. As such, it came as a surprise to the UNSC when the [[Insurrectionist]]s used a nuclear device in a space battle following the [[Callisto Incident|''Callisto'' Incident]], having hidden it in an [[asteroid]] in advance. When detonated, the nuke shattered the asteroid to molten pieces, which in turn destroyed one UNSC ship and severely damaged two more.<ref>'''Halo: Evolutions - Essential Tales of the Halo Universe''', "The Impossible Life and the Possible Death of Preston J. Cole", ''page 445''</ref> The Jiralhanae used nuclear weapons during their [[First Immolation|global civil war]] to such a degree that it set their species back hundreds of years.<ref>'''[[Halo: Envoy]]''', ''page 42''</ref> | The first space-borne nuclear weapons were used during the [[Interplanetary War]] in the 22nd century.<ref>'''Halo 4: The Essential Visual Guide''', ''page 74''</ref> However, they were not considered a viable weapon of space warfare for the next several hundred years; at the time of the start of the [[Insurrection]] in [[2494]] it was widely believed that fissile detonations in space were practically useless, as the vacuum of space severely reduces the explosive yield and the resulting [[electromagnetic pulse]]. As such, it came as a surprise to the UNSC when the [[Insurrectionist]]s used a nuclear device in a space battle following the [[Callisto Incident|''Callisto'' Incident]], having hidden it in an [[asteroid]] in advance. When detonated, the nuke shattered the asteroid to molten pieces, which in turn destroyed one UNSC ship and severely damaged two more.<ref>'''Halo: Evolutions - Essential Tales of the Halo Universe''', "The Impossible Life and the Possible Death of Preston J. Cole", ''page 445''</ref> The Jiralhanae used nuclear weapons during their [[First Immolation|global civil war]] to such a degree that it set their species back hundreds of years.<ref>'''[[Halo: Envoy]]''', ''page 42''</ref> | ||
Engagements against the [[Covenant]] during the [[Human-Covenant War]] quickly proved conventional nuclear weapons' ineffectiveness against Covenant warships' shields, forcing the UNSC to develop more effective payloads. | Engagements against the [[Covenant]] during the [[Human-Covenant War]] quickly proved conventional nuclear weapons' ineffectiveness against Covenant warships' shields, forcing the UNSC to develop more effective payloads.{{Ref/Reuse|warfleet 16}} The frequent deployment of nuclear weapons in space engagements constantly kept the UNSC's nuclear stockpiles near depletion. This occasionally forced them to resort to using obsolete nukes or [[Operation: UPPER CUT|unorthodox solutions]].<ref name="goo34">'''Halo: Ghosts of Onyx''', "Chapter 1", ''page 34''</ref><ref name="goo205">'''Halo: Ghosts of Onyx''', "Chapter 23", ''page 205''</ref><ref>'''Halo: Reach''', campaign level ''[[Long Night of Solace]]''</ref> | ||
The Covenant did not generally use nuclear weapons, regarding them as "heretic" weapons. An exception to this were the [[Jiralhanae]], who had no qualms about using captured UNSC nukes or any other UNSC matériel.<ref>'''Halo: Ghosts of Onyx''', "Chapter 23", ''page 207''</ref><ref>'''[[Halo 2]]''', campaign level ''[[Uprising]]''</ref> However, following the end of the war, [[Covenant remnants|remnant groups]] of the Covenant have adopted more liberal policies in regards to human weaponry for practical reasons. Human-made nuclear weapons have subsequently fallen into the hands of Covenant [[terrorism|terrorists]] and cultists.<ref>'''Spartan Ops''', ''[[Departure]]''</ref> | The Covenant did not generally use nuclear weapons, regarding them as "heretic" weapons. An exception to this were the [[Jiralhanae]], who had no qualms about using captured UNSC nukes or any other UNSC matériel.<ref>'''Halo: Ghosts of Onyx''', "Chapter 23", ''page 207''</ref><ref>'''[[Halo 2]]''', campaign level ''[[Uprising]]''</ref> However, following the end of the war, [[Covenant remnants|remnant groups]] of the Covenant have adopted more liberal policies in regards to human weaponry for practical reasons. Human-made nuclear weapons have subsequently fallen into the hands of Covenant [[terrorism|terrorists]] and cultists.<ref>'''Spartan Ops''', ''[[Departure]]''</ref> | ||
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===FENRIS nuclear warhead=== | ===FENRIS nuclear warhead=== | ||
{{Main|FENRIS nuclear warhead}} | {{Main|FENRIS nuclear warhead}} | ||
The '''FENRIS''' is a type of low-yield thermonuclear device. They were slated for decommissioning but munition expenditures during the [[Human-Covenant War]] saw the survivors return to service. | The '''FENRIS''' is a type of low-yield thermonuclear device. They were slated for decommissioning but munition expenditures during the [[Human-Covenant War]] saw the survivors return to service.{{Ref/Reuse|goo34}}{{Ref/Reuse|goo205}}<ref>'''Halo: Ghosts of Onyx''', "Chapter 24", ''page 215''</ref> | ||
===Fury tactical nuclear weapon=== | ===Fury tactical nuclear weapon=== | ||
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===HORNET mine=== | ===HORNET mine=== | ||
{{Main|HORNET mine}} | {{Main|HORNET mine}} | ||
The '''HORNET''' is a 30 megaton space mine. The devices are designed to be more stealthy than an ordinary nuke and are carried aboard [[UNSC prowler]]s. Although like all nuclear weapons, they can be easily detected when exiting slipspace, | The '''HORNET''' is a 30 megaton space mine. The devices are designed to be more stealthy than an ordinary nuke and are carried aboard [[UNSC prowler]]s. Although like all nuclear weapons, they can be easily detected when exiting slipspace,{{Ref/Reuse|goo187}} they can be rendered practically undetectable by cooling them to near-absolute zero temperatures, same as that of interstellar space, in their launch chambers.<ref>'''Halo: Ghosts of Onyx''', ''page 325''</ref> | ||
===NOVA bomb=== | ===NOVA bomb=== | ||