There is no internationally recognised definition for a cluster munition; this is the subject of ongoing negotiations under UN auspices. However, we have no plans to develop or procure new munitions falling under the UK’s current working definition of a cluster munition.
In terms of new weapons that employ submunitions technology, we are developing a Ballistic Sensor Fused Munition—a 155 mm gun-launched shell containing two explosive sub-munitions, each having target detecting sensors and a self-destruct system.