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Halcyon-class Cruiser: Misc

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Halo

Up to date as of February 08, 2010

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Halcyon-class Cruiser
Production information
Manufacturer

Reyes-McLees Shipyards

Model

Halcyon

Class

Cruiser

Technical specifications
Length

1170 meters (3840.64 feet)

Width

352 meters (1155.73 feet)

Height/depth

414 meters (1359.69 feet)

Engine unit(s)
  • Primary fusion drives (2)
  • Secondary fusion drives (4)
Slipspace Drive

Shaw-Fujikawa Translight Engine

Power plant

Mk. II Deuterium fusion reactors

Shielding

None

Hull

Resistant to around 5 Plasma Torpedoes/Titanium-A battle plate

Sensor systems
  • Radar
  • Spectroscopes
Targeting systems

Equipped

Navigation system

AI or NAVCOM

Armament
Usage
Role(s)

Naval Engagements(combat), Troop Carrier/ Supply Carrier

Era(s)

Human-Covenant War

Affiliation

United Nations Space Command

  [Source]
"A dozen Covenant superior battleships against a single Halcyon-class Cruiser. Given those odds, I'm content with three... make that four kills."
Cortana during the Battle of Installation 04

The Halcyon-class Cruiser (Pronounced 'hal-see-on') (known as Human Attack Ship class C-II[1] by the Covenant) was a United Nations Space Command cruiser starship classification designed by Dr. Robert McLees in 2510, with a Hull Classification Symbol of SCS. Their service lives were short due to a unique hull design that was costly both to construct and to maintain, lack of speed and poor armament, and concerns about their tactical viability. They were subsequently replaced by the Marathon-class Cruiser. The word "Halcyon" is a Greek word defined as "calm" or "peaceful". This is perhaps an indication as to how poorly Halcyon-class cruisers are generally armed.

Contents

Background

At 1.17 (a reference to the number 117) kilometers in length and one-third the tonnage of the succeeding Marathon-class Cruiser, the Halcyons were the smallest of vessels to be designated and structured as cruisers. Compared to later ships, the original Halcyons were sorely underpowered and under gunned: 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 MAC gun. According to Cortana they were somewhat of a joke within the fleet.

The most noteworthy design feature was a series of internal cross bracings and honeycombs that 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.[2] The durability of the design was demonstrated by the UNSC Pillar of Autumn when she survived a crash-landing on Alpha Halo.[3]

When the Human-Covenant War erupted in 2525 a number of Halcyon cruisers were reactivated from storage and refitted.

Layout

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 docking bays are distributed throughout the ship. There are also slots for twelve lifepods on the ships' undersides. Lastly, the MAC cannon is visible as a bump on the bow. The speculation that the gun is somewhere else on the ship is proved false in the cut scene at the beginning of the mission, The Maw, where the camera circles the ship, showing the obvious barrel in the 'bump'.

A vertical cross-section of a Halcyon-class ship, showing the honeycombed internal layout.

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.

Armories were located throughout the ship, holding a selection of small arms and their requisite ammunition. Eight docking bays allowed a number of Pelican dropships, Longsword Interceptors, Warthogs and Scorpion Tanks to be carried.[4]

An overlay of the Pillar of Autumn and its MAC.

A number of service corridors ran the length of the ship. Workers go in and out of the corridors, as seen in Halo: Combat Evolved. Although normally restricted to personnel, they could be accessed by lifts in main engineering or connecting passageways from the docking bays. If necessary, these expansive corridors could permit passage to Warthogs and some sections were large enough to accept Pelicans. The corridors served a secondary purpose of lessening the ship's considerable mass, thereby increasing acceleration.

Specifications

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Armament

Known elements of the Halcyon-classes' original armament consisted of the following;

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 MAC Cannon
  • 300 Archer Missile Pods which were arranged in thirty columns and ten rows. Each pod contained 26 individual devices, equaling 7800 missiles[5].
  • Four Shiva Nuclear Warheads. One of these missiles was disguised as a Longsword fighter, which could be remote controlled.
  • Forty 50mm MLA Auto-cannons with overlapping fields of fire for point defense against single ships.

Powerplant

Sublight thrust is provided by nuclear fusion reactions which are channeled to six adjacent exhausts at the ship's exterior stern. There are six exhausts visible, two large and four small. These engines are likely powered by deuterium-deuterium reactions. The main engine core consists of several underpowered Mark II reactors which provided 10% of modern engine output. The class was also equipped with a standard and typical Slipspace drive for translight speeds. On the refit ships, the reactor system was one of the aspects which was heavily retrofitted.

Halcyon-class Cruiser Locations
Airlock - Armory - Bridge - Cryo B - Engineering
Launch Bay 7 - Lifepods - Maintenance - Mess Hall

Ships of the Line

Images

Trivia

  • Halcyon is derived from the Greek word Alcyone, which means golden or marked by peace and prosperity.
  • It's also a tropical kingfisher of the genus Halcyon, such as the Sacred Kingfisher Halcyon sancta of Australia.

Sources

  1. Halo: The Flood, page 4
  2. Halo: The Fall of Reach, page 238
  3. The Maw (level)
  4. It is unknown how many auxiliary craft and vehicles a Halcyon can embark. The Pillar of Autumn, depending on the in-game cut scenes, missions, and novels, was shown to carry at least: twelve Longswords, seven Pelicans, four Scorpions, and perhaps in excess of forty Warthogs. The Warthog count is partially based on the text of Halo: The Flood, pages 136-138. The docking bays shown in the cut scenes each revealed berths for sixteen Pelicans as well.
  5. Halo: The Fall of Reach, pages 274-275 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."
UNSC Starship Classifications
Starfighters C709 Longsword-class Interceptor
Dropships/Cargo Transports D77-TC Pelican - D77H-TCI Pelican Dropship - Albatross - Pod - Bumblebee - Human Cargo Ship
Support Starships Calypso-class Exfiltration Craft - Black Cat-class Subprowler - Chiroptera-class Stealth Vessel - Prowler - Laden-class Freighter - Parabola-class Freighter
Light Capital Warships Mako-class Corvette - Stealth Cruiser - UNSC Light Frigate - UNSC Frigate - UNSC Destroyer
Cruisers Halcyon-class - Marathon-class
Carriers UNSC Carrier - Phoenix-class Colony Ship - UNSC Supercarrier
See Also: List of Starships
[SOURCE] - [EDIT]

This article uses material from the "Halcyon-class Cruiser" article on the Halo wiki at Wikia and is licensed under the Creative Commons Attribution-Share Alike License.

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