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Halcyon-class light cruiser: Difference between revisions
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|length={{Convert|3840.64|ft|m|sp=us|sigfig=6|disp=flip}}<ref name="H1GameData">'''Halo: Combat Evolved''' 3D model data</ref> | |length={{Convert|3840.64|ft|m|sp=us|sigfig=6|disp=flip}}<ref name="H1GameData">'''Halo: Combat Evolved''' 3D model data</ref> | ||
|width={{Convert|1155.73|ft|m|sp=us|sigfig=5|disp=flip}} | |width={{Convert|1155.73|ft|m|sp=us|sigfig=5|disp=flip}}{{Ref/Reuse|H1GameData}} | ||
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|mass =9 million metric tons<ref name="Warfleet">Halo: Warfleet, pg. 25</ref> | |mass =9 million metric tons<ref name="Warfleet">Halo: Warfleet, pg. 25</ref> | ||
|engine=[[Fusion drive]]s | |engine=[[Fusion drive]]s | ||
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''Halcyon''-class cruisers are composed of five hexagonal and octagonal sections mounted onto each other. The [[bridge]] is slung underneath one of the forward sections and eight [[Hangar bay|docking bays]] are distributed throughout the ship. There are also slots for eighteen lifepods on the ship's hull. Lastly, the [[Magnetic Accelerator Cannon|MAC]] cannon is visible as a bump on the bow. | ''Halcyon''-class cruisers are composed of five hexagonal and octagonal sections mounted onto each other. The [[bridge]] is slung underneath one of the forward sections and eight [[Hangar bay|docking bays]] are distributed throughout the ship. There are also slots for eighteen lifepods on the ship's hull. Lastly, the [[Magnetic Accelerator Cannon|MAC]] cannon is visible as a bump on the bow. | ||
The most noteworthy design feature was a series of internal cross bracings and honeycombs designed by [[Robert McLees (ship designer)|Doctor Robert McLees]].<ref name="HCESGuide">'''[[Halo: Combat Evolved: Sybex Official Strategies & Secrets]]''', ''page 60''</ref> This internal superstructure made the ships surprisingly resistant to battle damage; ships of the class were able to remain operational despite sustaining breaches to all compartments and losing 90% of their armor.<ref name="for238">'''[[Halo: The Fall of Reach]]''', ''page 238''</ref> The durability of the design was demonstrated by the {{UNSCShip|Pillar of Autumn}} when she survived a crash-landing on [[Installation 04|Alpha Halo]] after taking a tremendous beating at Reach and over the ring. However, while the cruiser was intact, it was damaged beyond repair and could never fly again, although some systems were still online such as the fusion core, engines, and self-destruct.<ref name="maw">'''[[Halo: Combat Evolved]]''', campaign level ''[[The Maw]]''</ref> Another example of the ship's durability was during the [[Fall of Reach]] when the ship took on an immensely powerful [[Unidentified Covenant warship|Covenant warship]]. Having wreaked havoc on Reach's defense fleet, this formidable Covenant warship breached the ''Autumn's'' hull with two piercing beam attacks, one of which severely damaged its reactors. Not only did the ''Autumn'' continue its engagement with limited loss of functionality, it destroyed the Covenant vessel after a protracted battle. However, the special superstructure was deemed unnecessarily over-massed and costly due to its cross-bracings and interstitial honeycombs. This led to the design being dropped from future models of ''Halcyon''-class ships. The ''Pillar of Autumn'' and 10/50 others were built with this type of superstructure. | The most noteworthy design feature was a series of internal cross bracings and honeycombs designed by [[Robert McLees (ship designer)|Doctor Robert McLees]].<ref name="HCESGuide">'''[[Halo: Combat Evolved: Sybex Official Strategies & Secrets]]''', ''page 60''</ref> This internal superstructure made the ships surprisingly resistant to battle damage; ships of the class were able to remain operational despite sustaining breaches to all compartments and losing 90% of their armor.<ref name="for238">'''[[Halo: The Fall of Reach]]''', ''page 238''</ref> The durability of the design was demonstrated by the {{UNSCShip|Pillar of Autumn}} when she survived a crash-landing on [[Installation 04|Alpha Halo]] after taking a tremendous beating at Reach and over the ring. However, while the cruiser was intact, it was damaged beyond repair and could never fly again, although some systems were still online such as the fusion core, engines, and self-destruct.<ref name="maw">'''[[Halo: Combat Evolved]]''', campaign level ''[[The Maw]]''</ref> Another example of the ship's durability was during the [[Fall of Reach]] when the ship took on an immensely powerful [[Unidentified Covenant warship|Covenant warship]]. Having wreaked havoc on Reach's defense fleet, this formidable Covenant warship breached the ''Autumn's'' hull with two piercing beam attacks, one of which severely damaged its reactors. Not only did the ''Autumn'' continue its engagement with limited loss of functionality, it destroyed the Covenant vessel after a protracted battle. However, the special superstructure was deemed unnecessarily over-massed and costly due to its cross-bracings and interstitial honeycombs. This led to the design being dropped from future models of ''Halcyon''-class ships. The ''Pillar of Autumn'' and 10/50 others were built with this type of superstructure.{{Ref/Reuse|HCESGuide}} | ||
Corridors on the ''Halcyon''-class were segmented by several retractable containment bulkheads. In the event of an emergency, these bulkheads could be closed and affected sections sealed from the remainder of the ship. A potential application of this was during a hostile boarding action, whereas the atmosphere in the sealed sections could be vented via commands from the bridge, asphyxiating enemy troops. | Corridors on the ''Halcyon''-class were segmented by several retractable containment bulkheads. In the event of an emergency, these bulkheads could be closed and affected sections sealed from the remainder of the ship. A potential application of this was during a hostile boarding action, whereas the atmosphere in the sealed sections could be vented via commands from the bridge, asphyxiating enemy troops. | ||
A number of service corridors ran the length of the ship. Although normally restricted to personnel, they could be accessed by [[lift]]s in main engineering or connecting passageways from the docking bays. If necessary, these expansive corridors, including a [[Class Seven service corridor]] running along the dorsal structure of the vessel, could permit passage to Warthogs and some sections were large enough to accept Pelicans. | A number of service corridors ran the length of the ship. Although normally restricted to personnel, they could be accessed by [[lift]]s in main engineering or connecting passageways from the docking bays. If necessary, these expansive corridors, including a [[Class Seven service corridor]] running along the dorsal structure of the vessel, could permit passage to Warthogs and some sections were large enough to accept Pelicans.{{Ref/Reuse|maw}} The corridors served a secondary purpose of lessening the ship's considerable mass, thereby increasing acceleration. | ||
''Halcyon''-class cruisers were constructed in space and are not rated for atmospheric deployment;<ref>'''Halo: The Flood''', ''page 40''</ref> however, [[R7 thrust coupling]]s allow them limited atmospheric operation capabilities, as demonstrated by the ''Pillar of Autumn'' which was capable of achieving liftoff from [[Asźod]], supported by a series of rocket pods.<ref name="ReferenceA">'''Halo: Reach''', campaign level ''[[The Pillar of Autumn (Halo: Reach level)|The Pillar of Autumn]]''</ref> | ''Halcyon''-class cruisers were constructed in space and are not rated for atmospheric deployment;<ref>'''Halo: The Flood''', ''page 40''</ref> however, [[R7 thrust coupling]]s allow them limited atmospheric operation capabilities, as demonstrated by the ''Pillar of Autumn'' which was capable of achieving liftoff from [[Asźod]], supported by a series of rocket pods.<ref name="ReferenceA">'''Halo: Reach''', campaign level ''[[The Pillar of Autumn (Halo: Reach level)|The Pillar of Autumn]]''</ref> | ||
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===Power plant=== | ===Power plant=== | ||
{{Main|Fusion drive}} | {{Main|Fusion drive}} | ||
Sublight thrust is provided by nuclear fusion reactions which are channeled to two primary and twelve secondary adjacent exhausts at the ship's exterior stern. | Sublight thrust is provided by nuclear fusion reactions which are channeled to two primary and twelve secondary adjacent exhausts at the ship's exterior stern.{{Ref/Reuse|ReferenceA}} There are six exhausts visible, two large and four small. These engines are powered by [[nuclear fusion|fusion reactions]] between atomic nuclei of the [[hydrogen]] isotope [[deuterium]].<ref>'''Halo: First Strike''', ''page 275''</ref> The main engine core consists of three underpowered Mark II Hanley-Messer reactors which provided 10% of modern engine output as of 2552.{{Ref/Reuse|for238}} | ||
On the refit ships, specifically the ''Pillar of Autumn'', the reactor system was one of the aspects which was heavily retrofitted. The ''Autumn'' was installed with an experimental reactor architecture which used a set of one primary reactor and two secondary reactors; when operating in concert, the magnetic fields of the secondary reactors could boost the main reactor's power generation capabilities up to 300%.<ref>'''Halo: The Fall of Reach''', ''page 174''</ref> | On the refit ships, specifically the ''Pillar of Autumn'', the reactor system was one of the aspects which was heavily retrofitted. The ''Autumn'' was installed with an experimental reactor architecture which used a set of one primary reactor and two secondary reactors; when operating in concert, the magnetic fields of the secondary reactors could boost the main reactor's power generation capabilities up to 300%.<ref>'''Halo: The Fall of Reach''', ''page 174''</ref> | ||
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===Armament=== | ===Armament=== | ||
The primary armament of the ''Halcyon''-class was its single [[Magnetic Accelerator Cannon]]. It was armed with only six [[Archer missile|Archer missile pods]] which was far below standards at the time. Each pod would have contained several individual missiles. The class was equipped with four [[Shiva-class nuclear missile]]s and numerous [[M910 Rampart point defense network|M910 50mm point-defense guns]].<ref>'''Halo: The Fall of Reach''', ''page 271''</ref> With the outbreak of the [[Human-Covenant War]], ''Halcyon''-class ships were put through extensive refits. At least one ship, the ''Pillar of Autumn'', had the following armament one upgraded Magnetic Accelerator Cannon capable of firing three rounds in quick succession. The ''Autumn'' now had 300 [[Archer missile#M58 Archer|M58 Archer missile pods]], which were arranged in thirty columns and ten rows. Each pod contained 26 individual devices, equaling 7800 missiles.<ref>'''Halo: The Fall of Reach''', ''pages 274-275'' (2001 edition) (Captain Keyes mentions performing a fly-by inspection of the starboard shuttle bay and counting Archer missile pods thirty across and ten down, making for 300 Archer missile pods. The next sentence then reads "Each pod held dozens of missiles.)</ref> The ''Autumn'' was still armed with four Shiva nuclear warheads. One of these missiles was loaded aboard a Longsword fighter, which could be remote-controlled.<ref name="tfor275">'''Halo: The Fall of Reach''', ''page 275'' (2001 edition)</ref> Forty M910 50mm point-defense guns were installed, with overlapping fields of fire for point defense against single ships.<ref name= "data drop"/> The ship was also equipped with three [[HAVOK tactical nuclear weapon|HAVOK warheads]]. | The primary armament of the ''Halcyon''-class was its single [[Magnetic Accelerator Cannon]]. It was armed with only six [[Archer missile|Archer missile pods]] which was far below standards at the time. Each pod would have contained several individual missiles. The class was equipped with four [[Shiva-class nuclear missile]]s and numerous [[M910 Rampart point defense network|M910 50mm point-defense guns]].<ref>'''Halo: The Fall of Reach''', ''page 271''</ref> With the outbreak of the [[Human-Covenant War]], ''Halcyon''-class ships were put through extensive refits. At least one ship, the ''Pillar of Autumn'', had the following armament one upgraded Magnetic Accelerator Cannon capable of firing three rounds in quick succession. The ''Autumn'' now had 300 [[Archer missile#M58 Archer|M58 Archer missile pods]], which were arranged in thirty columns and ten rows. Each pod contained 26 individual devices, equaling 7800 missiles.<ref>'''Halo: The Fall of Reach''', ''pages 274-275'' (2001 edition) (Captain Keyes mentions performing a fly-by inspection of the starboard shuttle bay and counting Archer missile pods thirty across and ten down, making for 300 Archer missile pods. The next sentence then reads "Each pod held dozens of missiles.)</ref> The ''Autumn'' was still armed with four Shiva nuclear warheads. One of these missiles was loaded aboard a Longsword fighter, which could be remote-controlled.<ref name="tfor275">'''Halo: The Fall of Reach''', ''page 275'' (2001 edition)</ref> Forty M910 50mm point-defense guns were installed, with overlapping fields of fire for point defense against single ships.<ref name= "data drop"/> The ship was also equipped with three [[HAVOK tactical nuclear weapon|HAVOK warheads]].{{Ref/Reuse|tfor275}} | ||
==Service history== | ==Service history== | ||
At just over 1.17 kilometers in length, the ''Halcyon''s were the lightest of vessels to be designated and structured as cruisers. Compared to later capital ships, the original ''Halcyon''s were sorely underpowered and undergunned: their Mark II fusion engines provided but a tenth of the output of modern reactors and their armament consisted of a mere six [[Archer missile]] pods and a single [[Magnetic Accelerator Cannon|MAC]] gun. According to the AI [[Cortana]], these ships were considered subpar within the [[UNSC fleet]] by 2552. | At just over 1.17 kilometers in length, the ''Halcyon''s were the lightest of vessels to be designated and structured as cruisers. Compared to later capital ships, the original ''Halcyon''s were sorely underpowered and undergunned: their Mark II fusion engines provided but a tenth of the output of modern reactors and their armament consisted of a mere six [[Archer missile]] pods and a single [[Magnetic Accelerator Cannon|MAC]] gun. According to the AI [[Cortana]], these ships were considered subpar within the [[UNSC fleet]] by 2552.{{Ref/Reuse|for238}} A few dozen served in the UNSC Navy during its history.<ref name="Warfleet">Halo: Warfleet, pg. 25</ref> | ||
When the [[Human-Covenant War]] erupted in [[2525]] a number of ''Halcyon'' cruisers were reactivated from storage and refitted. With the right upgrades, a ''Halcyon''-class cruiser could be a formidable foe. During the [[Battle for Arcadia]] in [[2531]], the {{UNSCShip|Pillar of Autumn}} teamed up with three other ships to destroy [[CCS-U321|a]] [[CCS-class battlecruiser|''CCS''-class battlecruiser]], suffering heavy damage but remaining combat ready enough to provide ground support for the {{UNSCShip|Spirit of Fire}}. Notably, of the four human ships involved in the battle, it appeared to be in the best shape of the two surviving ships. Later, during the [[Fall of Reach]], the upgraded ''Pillar of Autumn'' was able to inflict damage far beyond its tonnage, engaging and destroying [[Covenant frigate]]s, a {{Class|DDS|carrier}} and a [[Unidentified Covenant warship|powerful warship]] of unspecified class. Later, in orbit above the Forerunner construct known as [[Installation 04|Halo]], the ''Autumn'' destroyed four additional CCS-class battlecruisers under the guidance of the AI Cortana. While much of this success was due to the tactical genius of Captain Jacob Keyes and his crew, the upgraded ''Autumn'' was highly resilient and capable of unleashing tremendous artillery barrages. | When the [[Human-Covenant War]] erupted in [[2525]] a number of ''Halcyon'' cruisers were reactivated from storage and refitted. With the right upgrades, a ''Halcyon''-class cruiser could be a formidable foe. During the [[Battle for Arcadia]] in [[2531]], the {{UNSCShip|Pillar of Autumn}} teamed up with three other ships to destroy [[CCS-U321|a]] [[CCS-class battlecruiser|''CCS''-class battlecruiser]], suffering heavy damage but remaining combat ready enough to provide ground support for the {{UNSCShip|Spirit of Fire}}. Notably, of the four human ships involved in the battle, it appeared to be in the best shape of the two surviving ships. Later, during the [[Fall of Reach]], the upgraded ''Pillar of Autumn'' was able to inflict damage far beyond its tonnage, engaging and destroying [[Covenant frigate]]s, a {{Class|DDS|carrier}} and a [[Unidentified Covenant warship|powerful warship]] of unspecified class. Later, in orbit above the Forerunner construct known as [[Installation 04|Halo]], the ''Autumn'' destroyed four additional CCS-class battlecruisers under the guidance of the AI Cortana. While much of this success was due to the tactical genius of Captain Jacob Keyes and his crew, the upgraded ''Autumn'' was highly resilient and capable of unleashing tremendous artillery barrages. | ||
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==Ships of the line== | ==Ships of the line== | ||
Out of 50 Halcyon-class light cruisers built, the first 11 have the honeycomb superstructure while the other 39 have an unspecified one. | Out of 50 Halcyon-class light cruisers built, the first 11 have the honeycomb superstructure while the other 39 have an unspecified one.{{Ref/Reuse|HCESGuide}} | ||
===Honeycomb superstructure=== | ===Honeycomb superstructure=== | ||
This is the list of Halcyon-class light cruisers with the honeycomb superstructure: | This is the list of Halcyon-class light cruisers with the honeycomb superstructure: | ||