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Extra-vehicular activity: Difference between revisions

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{{Wikipedia}}
{{Wikipedia}}
{{Center|''For the Spartan armor variant, see [[MJOLNIR Powered Assault Armor/V variant]].''}}
{{Center|''For the Spartan armor variant, see [[MJOLNIR Powered Assault Armor/V variant]].''}}
[[File:Halo-A-Hero-Falls-Spacewoman.png|thumb|300px|A non-combat vacuum suit in [[2560]].]]
[[File:Halo-A-Hero-Falls-Spacewoman.png|thumb|300px|A non-combat vacuum suit in [[2558]].]]
'''Extra-vehicular activity''', often abbreviated simply to '''EVA''', is the term applied to external operations by specialist personnel in a vacuum environment outside of a spaceship.
'''Extra-vehicular activity''', often abbreviated simply to '''EVA''', is the term applied to external operations by specialist personnel in a vacuum environment outside of a spaceship.


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[[SPARTAN-II program|SPARTAN-II]] [[Blue Team]] has performed several notable combat EVAs: At the [[Battle of Chi Ceti]] in [[2525]], they inserted into a [[Covenant]] [[Unrelenting|warship]], planted a missile warhead and were extracted by a [[D77-TC Pelican]];<ref>'''[[Halo: The Fall of Reach]]''', ''page 152''</ref> At the [[Fall of Reach]], in [[2552]], they performed another EVA in order to purge [[UNSC Circumference|a ship]]'s NAV database on an [[Gamma Station|orbital station]] in accordance with the [[Cole Protocol]].<ref name="for">'''Halo: The Fall of Reach''', ''page 308''</ref> [[John-117]] of Blue Team performed an EVA mission aboard the ''[[Ascendant Justice]]'' while in an anomalous slipspace dimension,<ref>'''Halo: First Strike''', ''page 280'' (2003 edition); ''page 114'' (2010 edition)</ref> the first known [[slipstream space|slipspace]] EVA and another at [[Earth]], clearing hostiles off the outside of the [[Cairo Station|''Cairo'']] [[orbital defense platform]] and removing and re-purposing a Covenant [[antimatter bomb]].<ref name="h2">'''[[Halo 2]]''', [[campaign]] level ''[[Cairo Station (level)|Cairo Station]]''</ref>
[[SPARTAN-II program|SPARTAN-II]] [[Blue Team]] has performed several notable combat EVAs: At the [[Battle of Chi Ceti]] in [[2525]], they inserted into a [[Covenant]] [[Unrelenting|warship]], planted a missile warhead and were extracted by a [[D77-TC Pelican]];<ref>'''[[Halo: The Fall of Reach]]''', ''page 152''</ref> At the [[Fall of Reach]], in [[2552]], they performed another EVA in order to purge [[UNSC Circumference|a ship]]'s NAV database on an [[Gamma Station|orbital station]] in accordance with the [[Cole Protocol]].<ref name="for">'''Halo: The Fall of Reach''', ''page 308''</ref> [[John-117]] of Blue Team performed an EVA mission aboard the ''[[Ascendant Justice]]'' while in an anomalous slipspace dimension,<ref>'''Halo: First Strike''', ''page 280'' (2003 edition); ''page 114'' (2010 edition)</ref> the first known [[slipstream space|slipspace]] EVA and another at [[Earth]], clearing hostiles off the outside of the [[Cairo Station|''Cairo'']] [[orbital defense platform]] and removing and re-purposing a Covenant [[antimatter bomb]].<ref name="h2">'''[[Halo 2]]''', [[campaign]] level ''[[Cairo Station (level)|Cairo Station]]''</ref>
===Covenant operation===
===Covenant operation===
The Covenant also perform extra-vehicular activity. [[Sangheili Ranger]]s use specialized vacuum-sealed armor to protect themselves from the effects of a vacuum environment, in order to plant [[antimatter charge]]s and support boarding parties.<ref name="for"/><ref name="h2"/> [[Kig-Yar Ranger]]s in vacuum suits were also used, though their suits were more easily damaged than a Sangheilian suit as they were built for external maintenance and lacked personal [[energy shielding]].<ref>'''[[Halo: Contact Harvest]]''', ''pages 124-125''</ref><ref>'''[[Halo Wars: Genesis]]'''</ref> Sangheili, Kig-Yar, and [[Unggoy Ranger]]s were employed by [[Jul 'Mdama]]'s [[Jul 'Mdama's Covenant faction|reformed Covenant faction]] for extra-vehicular activity purposes.<ref name="H4 Interactive Guide">[http://www.halowaypoint.com/en-US/halo4guide '''Halo 4 Interactive Guide''']</ref>
The Covenant also perform extra-vehicular activity. [[Sangheili Ranger]]s use specialized vacuum-sealed armor to protect themselves from the effects of a vacuum environment, in order to plant [[antimatter charge]]s and support boarding parties.<ref name="for"/><ref name="h2"/> [[Kig-Yar Ranger]]s in vacuum suits were also used, though their suits were more easily damaged than a Sangheili suit as they were built for external maintenance and lacked personal [[energy shielding]].<ref>'''[[Halo: Contact Harvest]]''', ''pages 124-125''</ref><ref>'''[[Halo Wars: Genesis]]'''</ref> Sangheili, Kig-Yar, and [[Unggoy Ranger]]s were employed by [[Jul 'Mdama]]'s [[Jul 'Mdama's Covenant faction|reformed Covenant faction]] for extra-vehicular activity purposes.<ref name="H4 Interactive Guide">[http://www.halowaypoint.com/en-US/halo4guide '''Halo 4 Interactive Guide''']</ref>


==Gallery==
==Gallery==

Revision as of 07:15, October 10, 2015

Wikipedia.png
 There is more information available on this subject at Extra-vehicular activity on the English Wikipedia.
For the Spartan armor variant, see MJOLNIR Powered Assault Armor/V variant.
A non-combat vacuum suit in 2558.

Extra-vehicular activity, often abbreviated simply to EVA, is the term applied to external operations by specialist personnel in a vacuum environment outside of a spaceship.

Usage

Human operation

File:MarineVacSuit.png
A UNSC Marine during a EVA operation.

Pressurized suits are a necessity during EVA operations due to the vacuum of space. In addition, thruster packs are needed for maneuvering when not tethered to a spacecraft. Combat EVAs pose a significantly greater risk to those performing it, due to the chance of suit decompression in the vacuum if hit by bullets, shrapnel, etc. Civilian welders and technicians perform EVAs in order to repair ships, such as that performed upon the UNSC Gettysburg in the Eridanus system.[1] The UNSC also employs specialized EVA-equipped engineers on their warships such as the UNSC Spirit of Fire to perform repairs and maintenance work on the outer hull. Specialized zero-G vehicles are also used to perform EVA, such as the Open Frame 92/Extra-Vehicular Activity.[2]

The pilot variant of the UNSC Marine Corps Battle Dress Uniform was generally equipped with extra-vehicular activity integration for any exoatmospheric operations.[3] The Summa Deep Space Incident sparked multiple projects related to research of EVA equipment, including the MJOLNIR EVA variant, designed for better extra-vehicular activity performance.[4]

SPARTAN-II Blue Team has performed several notable combat EVAs: At the Battle of Chi Ceti in 2525, they inserted into a Covenant warship, planted a missile warhead and were extracted by a D77-TC Pelican;[5] At the Fall of Reach, in 2552, they performed another EVA in order to purge a ship's NAV database on an orbital station in accordance with the Cole Protocol.[6] John-117 of Blue Team performed an EVA mission aboard the Ascendant Justice while in an anomalous slipspace dimension,[7] the first known slipspace EVA and another at Earth, clearing hostiles off the outside of the Cairo orbital defense platform and removing and re-purposing a Covenant antimatter bomb.[8]

Covenant operation

The Covenant also perform extra-vehicular activity. Sangheili Rangers use specialized vacuum-sealed armor to protect themselves from the effects of a vacuum environment, in order to plant antimatter charges and support boarding parties.[6][8] Kig-Yar Rangers in vacuum suits were also used, though their suits were more easily damaged than a Sangheili suit as they were built for external maintenance and lacked personal energy shielding.[9][10] Sangheili, Kig-Yar, and Unggoy Rangers were employed by Jul 'Mdama's reformed Covenant faction for extra-vehicular activity purposes.[11]

Gallery

  • EVA armor used by Spartans.

    EVA armor used by Spartans.

  • VacMarinesFight.png

    UNSC Marines engaged in EVA combat.

  • Jackal Rangers.jpg

    Kig-Yar Rangers fighting in a vacuum.

List of appearances

Sources

  1. ^ Halo: First Strike, page 90 (2003 edition); page 336 (2010 edition)
  2. ^ Halo Legends, The Package
  3. ^ Halo Encyclopedia, page 57 (2011 edition)
  4. ^ Halo 3, in-game armor permutation description
  5. ^ Halo: The Fall of Reach, page 152
  6. ^ a b Halo: The Fall of Reach, page 308
  7. ^ Halo: First Strike, page 280 (2003 edition); page 114 (2010 edition)
  8. ^ a b Halo 2, campaign level Cairo Station
  9. ^ Halo: Contact Harvest, pages 124-125
  10. ^ Halo Wars: Genesis
  11. ^ Halo 4 Interactive Guide
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