North Korea tested a cluster warhead intended for tactical ballistic missiles on Saturday, state media reported, outlining plans to enable military units to use four categories of the weapons by the end of the year.

Pyongyang’s Missile Administration conducted the Oct. 31 test to assess the warhead’s combat adaptation and destructive power, according to the Korean Central News Agency (KCNA).

The administration’s Ballistic Missile System Institute and Warhead Institute claimed the “Standard Type 2 cluster-bomb warhead is capable of turning into ashes a target area of 12 to 13 hectares with its highest-density power.”

The state media readout provided no