In Pictures

A member of Delta Company, 40 Commando Royal Marines, at Gibraltar Forward Operating Base in the Upper Gereshk Valley, Northern Helmand, uses the open air ablutions [Picture: LA (Phot) AJ MaCleod]

Marine Rich Fussell, aged 23 from Bristol, of the Royal Marine Vehicle Valley, Northern Helmand, Afghanistan, demonstrates the Royal Marine's exacting hygiene standards [Picture: LA (Phot) AJ MaCleod]

Royal Marine Armourer Corporal Denny Gildea, aged 35 from Halifax, hand washes his clothes in a minimal amount of water as there is no local water supply [Picture: LA (Phot) AJ MaCleod]

Royal Marines from Alpha Company deal with the heavy rainfalls at the Inkerman Forward Operating Base in Northern Helmand, Afganistan [Picture: LA (Phot) AJ MaCleod]

Royal Marines from Mortar Troop fill sandbags at Inkerman Forward Operating Base in Northern Helmand, Afganistan [Picture: LA (Phot) AJ MaCleod]

A Marine from Delta Company providing security for a 'MEDCAP' Patrol [Picture: LA (Phot) AJ MaCleod]

Royal Marine Chef Corporal James Daniel Cox, aged 26 from Caernofon, is one of two chefs at Gibraltar Forward Operating Base who cook for 150 People using tinned rations [Picture: LA (Phot) AJ MaCleod]

Members of Mortar and Recce Troops enjoy a game of poker at Kajaki, Northern Helmand during some time off [Picture: LA (Phot) AJ MaCleod]

Members of Mortar Troop at Gibraltar Forward Operating Base spend their leisure time playing a game of cricket [Picture: LA (Phot) AJ MaCleod]

Members of Delta Company provide security for a 'MEDCAP' Patrol around Northern Helmand giving locals medical and dental care as well as providing cold weather stores after some of the worst rainfall Helmand has seen in years [Picture: LA (Phot) AJ MaCleod]