// UNMANNED SYSTEMS AND NEXT-GEN WARFARE TERM

Electromagnetic Pulse

An electromagnetic pulse is a powerful burst of energy that can fry electronic devices over a wide area. It can be caused by a nuclear explosion high in the atmosphere or generated by a specific non-nuclear weapon.

Electromagnetic Pulse — illustration from Wikipedia
Image via Wikipedia

TECHNICAL DEFINITION

An Electromagnetic Pulse (EMP) is a transient, high-intensity burst of electromagnetic radiation, generated by nuclear (NEMP) or non-nuclear (NNEMP) sources, that induces destructive voltage and current surges in electronic and electrical systems, thereby disrupting or disabling critical infrastructure such as power grids, communication networks, and military C4ISR capabilities.

BACKGROUND

A nuclear electromagnetic pulse is a burst of electromagnetic radiation created by a nuclear explosion. The resulting rapidly varying electric and magnetic fields may couple with electrical and electronic systems to produce damaging current and voltage surges. The specific characteristics of a particular nuclear EMP event vary according to a number of factors, the most important of which is the altitude of the detonation.

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SYNONYMS & ALIASES

  • EMP
  • NEMP
  • HEMP
  • E-bomb
  • EMI bomb
  • transient electromagnetic disturbance

USAGE NOTE

In defense planning, EMP is considered a high-impact threat capable of causing widespread, cascading failures across civilian and military infrastructure.

DEVELOPERS

Organizations developing technology related to Electromagnetic Pulse.

  • BAE Systems

    Develops and integrates electromagnetic pulse (EMP) hardened electronics and shielding solutions for military aircraft, vehicles, and critical infrastructure to ensure operational survivability.

  • Northrop Grumman

    A prime defense contractor that designs and builds military systems, including strategic bombers and command centers, with integrated protection against nuclear and non-nuclear EMP effects.

  • Lockheed Martin

    Integrates EMP hardening into its advanced platforms, such as the F-35 fighter jet and missile defense systems, to protect sensitive avionics and control systems from electromagnetic threats.

  • RTX (Raytheon)

    Specializes in advanced electronics and directed energy. The company develops EMP-resistant components and systems, as well as High-Power Microwave (HPM) weapons that can generate localized EMP effects.

  • L3Harris Technologies

    Focuses on resilient communications and electronic systems, developing technology to protect critical C4ISR (Command, Control, Communications, Computers, Intelligence, Surveillance and Reconnaissance) networks from EMP disruption.

  • Air Force Research Laboratory (AFRL)

    The primary scientific research and development center for the U.S. Air Force. Its Directed Energy Directorate is a key center for research in high-power electromagnetics, including EMP effects and countermeasures.

  • Epirus

    A technology company developing software-defined high-power microwave (HPM) systems. Their Leonidas platform can create targeted electromagnetic pulses to disable electronic threats like drone swarms.

  • Defense Threat Reduction Agency (DTRA)

    A U.S. Department of Defense agency that focuses on countering weapons of mass destruction. A significant part of its mission involves research, testing, and development of technologies to protect critical U.S. assets from EMP generated by nuclear detonations.

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