Complex sentence: He served in the Second World War as Brigade Major for the 11th Armoured Division and, after the war, went on to become commandering officer of the 1st Battalion Royal Northumberland Fusiliers in 1953 and commander of 11th Infanty Brigade Group in 1957.
Split into simpler sentences: He served in the Second World War as Brigade Major for the 11th Armoured Division. He became commandering officerof the 1st Battalion Royal Northumberland Fusiliers in 1953 and commander of 11th Infanty Brigade Group in 1957.