A cluster munition is a form of air-dropped or ground-launched explosive weapon that releases or ejects smaller submunitions. Cluster munitions are air-dropped or ground-launched weapons. They release a number of smaller submunitions with the intention to kill enemy personnel or destroy vehicles. Commonly, this is a cluster bomb that ejects explosive bomblets designed to kill personnel and destroy vehicles. Other cluster munitions are designed to destroy runways or electric power transmission lines.