Iron Fist Active Protection System
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Iron Fist is an active protection system (APS) for medium and light weight armoured fighting vehicles, developed by Israel Military Industries (IMI). The concept was revealed by IMI in 2006 and is expected to enter Israel Defense Forces tests by mid 2007. The system has already been successfully tested against a wide variety of threats, including advanced kinetic tank caliber armor piercing rounds.
The system uses a fixed radar sensor on the protected platform to detect incoming threats, such as RPGs. When a threat is imminent, an explosive projectile interceptor is launched towards it. The interceptor explodes in close proximity of the threat, destroying or deflecting and destabilizing it. For this, only the blast effect of the explosive is used — the interceptor casing is made of combustible materials so no fragmentation is created in the explosion. This also serves to minimize collateral damage.