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[[Covenant]] vessels such as the [[DAV-class light corvette]] possess ECM to counter the [[guidance lock]]s on [[Archer missile]]s. One of these used ECM to counter missiles fired by the {{UNSCShip|Iroquois}} during the [[Battle of Sigma Octanus IV]]. Faced with no choice, [[Commander]] [[Jacob Keyes]] then rammed the corvette, smashing it and making its remains fall onto the [[Sigma Octanus IV|planet]].<ref>'''Halo: The Fall of Reach''', ''page 196''</ref> Much larger ships, such as the {{Class|ORS|heavy cruiser}} ''[[Incorruptible]]'', also possess electronic countermeasures for countering enemy [[Plasma turret|plasma torpedoes]], as well as anti-ECM measures.<ref>'''Halo: Ghosts of Onyx''', ''page 193-194''</ref> | [[Covenant]] vessels such as the [[DAV-class light corvette]] possess ECM to counter the [[guidance lock]]s on [[Archer missile]]s. One of these used ECM to counter missiles fired by the {{UNSCShip|Iroquois}} during the [[Battle of Sigma Octanus IV]]. Faced with no choice, [[Commander]] [[Jacob Keyes]] then rammed the corvette, smashing it and making its remains fall onto the [[Sigma Octanus IV|planet]].<ref>'''Halo: The Fall of Reach''', ''page 196''</ref> Much larger ships, such as the {{Class|ORS|heavy cruiser}} ''[[Incorruptible]]'', also possess electronic countermeasures for countering enemy [[Plasma turret|plasma torpedoes]], as well as anti-ECM measures.<ref>'''Halo: Ghosts of Onyx''', ''page 193-194''</ref> | ||
UNSC ships, such as [[UNSC frigate|frigates]], also possess ECM systems. A frigate's countermeasures are capable of jamming | UNSC ships, such as [[UNSC frigate|frigates]], also possess ECM systems. A frigate's countermeasures are capable of jamming an [[SDV-class heavy corvette]]'s communications for several minutes, as evidenced by the {{UNSCShip|Savannah}} disrupting the ''[[Ardent Prayer]]'''s communications during [[Operation: UPPER CUT]].<ref>'''Halo: Reach''', campaign level ''[[Long Night of Solace (level)|Long Night of Solace]]''</ref> | ||
==List of appearances== | ==List of appearances== |
Revision as of 12:39, March 31, 2017
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There is more information available on this subject at Electronic countermeasures on the English Wikipedia. |
- "Missile guidance locks jammed. Their ECM spoofed the guidance packages, sir."
- — Lieutenant Aki Hikowa
Electronic countermeasures (also known as ECM) are a subsection of electronic warfare which includes any sort of electrical or electronic device designed to trick or deceive radar, sonar, or other detection systems like infrared and laser.
Overview
Electronic countermeasures may be used both offensively or defensively in any method to deny targeting information to an enemy. The system may make many separate targets appear to the enemy, or make the real target appear to disappear or move about randomly. It is used effectively to protect aircraft from guided missiles. Most air forces use ECM to protect their aircraft from attack. That is also true for military ships and on tanks to fool laser or infrared guided weapons. They are frequently coupled with stealth advances so that the ECM system has an easier job.
Often ECM takes the form of jamming.
Usage in the Human-Covenant War
Covenant vessels such as the DAV-class light corvette possess ECM to counter the guidance locks on Archer missiles. One of these used ECM to counter missiles fired by the UNSC Iroquois during the Battle of Sigma Octanus IV. Faced with no choice, Commander Jacob Keyes then rammed the corvette, smashing it and making its remains fall onto the planet.[1] Much larger ships, such as the ORS-class heavy cruiser Incorruptible, also possess electronic countermeasures for countering enemy plasma torpedoes, as well as anti-ECM measures.[2]
UNSC ships, such as frigates, also possess ECM systems. A frigate's countermeasures are capable of jamming an SDV-class heavy corvette's communications for several minutes, as evidenced by the UNSC Savannah disrupting the Ardent Prayer's communications during Operation: UPPER CUT.[3]
List of appearances
- Halo: The Fall of Reach (First appearance)
- Halo: Ghosts of Onyx
- Halo: Reach
- Halo: Fall of Reach
Sources
- ^ Halo: The Fall of Reach, page 196
- ^ Halo: Ghosts of Onyx, page 193-194
- ^ Halo: Reach, campaign level Long Night of Solace