Cpl. Winter was killed in an explosion while taking part in a joint operation with a Danish Battle Group and the Afghan National Army north east of Gereshk in central Helmand. He was a member of a fire support team that was engaged in an operation to clear compounds in a known Taliban stronghold. Also killed was Captain Tom Sawyer of 29 Commando Regiment RA.
He was serving in Helmand province with the Mortar Troop of Zulu Company, 45 Commando Royal Marines. A specialist Mortar Fire Controller, his role within the company as the commander’s mortar expert required him to provide intimate mortar support to the front line of the fighting troops.
Cpl. Winter joined the Royal Marines in October 1996 and specialised in the mortars heavy weapons branch very early on in his career. Serving with both 40 Commando and 45 Commando he had served operationally in Northern Ireland and in Iraq on Operation Telic in 2003 where he was involved in the initial aviation assault of southern Iraq. After returning from Operation Herrick in Afghanistan in 2007 he completed command training.