Smart grenade

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A smart grenade is a type of explosive ammunition used in some modern grenade launchers.

Unlike traditional grenades, such as the 40 mm grenade, smart grenades can be electronically programmed to explode after traveling a certain distance. This produces an air burst that is more effective at hitting enemies taking cover around corners or in trenches. In the field, a fire control computer or some other electronic sighting system is used to quickly program the electronic fuse with any distance, as conditions dictate.

One example of a smart grenade is the 25 mm grenade used in the XM25 program.