WeaponSpecs
Glossary · Last verified July 10, 2026

SEAD / DEAD Suppression / Destruction of Enemy Air Defenses

SEAD is the mission of neutralizing an enemy's radars and surface-to-air missiles long enough for a strike package to get through; DEAD is the harder version, permanently destroying that same air-defense network.

SEAD is the mission of suppressing an enemy’s integrated air-defense network, its radars, surface-to-air missile batteries, and anti-aircraft artillery, for long enough that friendly aircraft can fly through the gap and hit their target.1 DEAD is the harder, more permanent version of the same job: not jamming a radar or forcing a SAM crew off the air for ten minutes, but destroying the launcher, radar, or command post outright so it cannot threaten anyone again for the rest of the conflict.

The distinction exists because suppression and destruction buy very different things. A jammed radar, or a SAM crew that has gone silent to avoid being targeted, is suppressed, not gone, and it can come back online the moment a strike package has passed. Destroying the same system removes it from the order of battle permanently, which is why the US Air Force has historically planned SEAD and DEAD together as one continuous strategy rather than two separate missions.2 The classic SEAD tool is the anti-radiation missile, a weapon that homes in on a SAM radar’s own emissions, backed by escort or self-protection jamming to blind or confuse that same radar in the meantime, the pairing the US Air Force built its “Wild Weasel” role around starting in Vietnam.

What has changed since is the target. Modern integrated air-defense systems are mobile, networked, and often go silent deliberately to deny a SEAD aircraft an emission to home in on, which pushes the mission toward sensor fusion and passive detection as much as anti-radiation missiles. That is one reason stealth and sensor fusion matter so much to a modern SEAD or DEAD platform, not just as a shield against being shot down, but as a way to find and strike a radar that refuses to radiate.

WeaponSpecs’ fifth-generation fighter guide covers the stealth and sensor-fusion side of surviving inside a contested engagement zone, and our Patriot vs S-400 vs SAMP/T comparison profiles the exact class of integrated air-defense systems a SEAD or DEAD mission is built to defeat. Browse strike aircraft under fighters and the systems they target under air defense.

Sources

  1. Wikipedia, Suppression of enemy air defenses
  2. US GAO, Suppression of Enemy Air Defenses: Air Force Plans (NSIAD-93-221)

Related on WeaponSpecs