Loitering munition

Not to be confused with One-way attack drone or Unmanned combat aerial vehicle.

A loitering munition (LM) is a type of self-destructive unmanned aerial vehicle (UAV) equipped with a warhead that is typically designed to remotely loiter by a human operator using electro-optical targeting sensors or camera suite and data-link until a target is designated, then crash into it and detonate. Anti-radiation (anti-radar) loitering munitions are a type of loitering munition that employ either an anti-radiation seeker by itself or in tandem with an electro-optical targeting system to locate enemy radar by loitering and destroy it after detection. Common terms like suicide drone, kamikaze drone, or exploding drone are used for both loitering munition and one-way attack drones. They enable attacks against hidden targets that emerge for short periods without placing high-value platforms near the target area. Unlike many other types of munitions, their attacks can be changed mid-mission or aborted. Loitering munitions are typically aerial platforms, but include some autonomous undersea vehicles with similar characteristics.

Loitering weapons emerged in the 1980s for the suppression of enemy air defenses (SEAD) role, and were deployed for SEAD by some military forces in the 1990s. In the 2000s, they were developed for additional roles, from long-range strikes and fire support to short-range tactical systems that fit in a backpack.

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