 On 9 May, Cpl Christopher Harrison, aged 26, from Bravo Company, 40 Commando, died in an explosion while on patrol in Sangin in Helmand province.On 21 May, Cpl Stephen Walker, aged 42, from 40 Commando, died in an explosion while on patrol in Sangin in Helmand province.On 26 May, Gunner Zak Cusack, aged 20, from 1st Battalion The Royal Gurkha Rifles, 4th Regiment Royal Artillery, died in a shooting while on patrol in Nahr-e Saraj in Helmand province.