 The patrol was clearing an area essential for the security of the Kajaki hydroelectric dam when LCpl Mason was struck by an improvised explosive device.Trooper James 'Magpie' Munday, aged 21, from 1 Troop, D Squadron, the Household Cavalry Regiment was killed by an explosion, 15 October 2008.Tpr Munday was driving a Jackal (MWMIK) wheeled reconnaissance vehicle on a routine patrol approximately 23 km north of Forward Operating Base Delhi in Helmand province, Afghanistan when it detonated a contact triggered explosive device.