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EMP

From the Call of Duty Wiki

The EMP (ElectroMagnetic Pulse) is an unlockable killstreak reward in Call of Duty: Modern Warfare 2. Requiring a killstreak of 15, the EMP disables ALL enemy electronics.  Hostile players will have no HUD, Their scopes will be affected, and their vision will be slightly fuzzy.  Any enemy sentry guns will be destroyed.  All hostile aircraft will crash.  Enemy players will be unable to activate their own killstreaks while they are affected by an EMP - even the Tactical Nuke.  However, if the nuke is activated before

the EMP is set off, the countdown will not stop and the nuke will still detonate. 
EMP Is Unlocked After A 15 Kill Streak

The EMP lasts for 60 seconds.

In singleplayer campaign, the EMP occurs in the level Second Sun. In Contingency, Captain John Price launches an ICBM to outer space, and targeting it to explode in outer space,directly above Washington D.C, as an EMP. The EMP did occur but it destroys the ISS and killed the astronaut there. The EMP blacks out most of the East Coast, destroys Russian and American aircraft, and knocks out GPS, optics, and comms.

Contents

[edit] Technicalities

The EMP works by detonating a nuke in the upper atmosphere. This sends a shower of gamma rays downwards, these then knock electrons of molecules in the air. The electrons then fall towards the earth close to the speed of light. This creates micro and radio waves which interefer with radios. The current caused by the electrons burns out any microchips, effectively destroying computer operated devices.

[edit] Affected weapon attachments

  • Red Dot Sight - "Red dot" disappears (exceptions - the F2000 and the TAR-21).
  • Holographic Sight - Targeting reticle disappears.
  • ACOG Scope - Red cross hairs disappear, but the black cross hairs remain.
  • Thermal Scope - Thermal vision is disabled, but crosshairs remain, essentially becomes a standard sniper scope.
  • Heartbeat Sensor - Screen will be filled with static. This is unrealistic, due to the EMP effects the screen should only be forcefully shut down, leaving it blank.

[edit] Affected weapons

  • Stinger - Unable to lock onto vehicles, rendering it useless for the duration of the EMP effect.
  • Javelin - Unable to lock onto enemies or vehicles, rendering it useless for the duration of the EMP effect.
  • AT4 - Unable to lock on to enemy vehicles, though still able to fire in free aim.

[edit] Trivia

  • An EMP should realistically not have any effect on ACOG scopes. This is because they are illuminated by tritium, a radioactive isotope of hydrogen, and contain no electronics like the other optics in the game.
  • When your team gets EMPd your announcer says, "We've been EMPd, electronics are down." Ironically, your announcer says this through a radio.
  • If the player looks outside the map immediately after an EMP is deployed (by either team), they can see a nuclear explosion identical to the one seen in Second Sun in the distant sky.
  • Claymore trip lasers still operate during the time period the EMP is in effect, but will not trip upon stepping in front of it. However, if someone shoots it while you are infront of it, it can still kill.
  • It is odd that setting off an EMP does not affect Semtex grenades as they appear to be detonated electronically.
  • In reality, an EMP blast would not disable electronic devices that are insensitive to excess voltage.
  • EMP will bring down enemy Aircraft.
  • The handguns sights will not have the 3 dots on them once a the EMP has been set, this is not accurate as the sights are painted or are inserted into the sights of the gun.
Perks of Call of Duty: Modern Warfare 2
Tier 1 Perks Marathon · Sleight of Hand · Scavenger · Bling · One Man Army
Tier 2 Perks Stopping Power · Lightweight · Hardline · Cold-Blooded · Danger Close
Tier 3 Perks Commando · Ninja · SitRep · Steady Aim · Scrambler · Last Stand
Kill Streak Perks 3: UAV Recon · 4: Care Package · 4: Counter-UAV · 5: Sentry Gun · 5: Predator Missile · 6: Precision Airstrike · 7: Harrier Strike · 7: Attack Helicopter · 8: Emergency Airdrop · 9: Pave Low · 9: Stealth Bomber · 11: AC-130 · 11: Chopper Gunner · 15: EMP · 25: Tactical Nuke
Death Streak Perks Copycat · Painkiller · Martyrdom · Final Stand