Complex sentence: He became Commander of 11th Light Brigade in October 2007, in which role he saw service in Afghanistan leading the brigade during the Helmand province campaign, Director of Military Operations at the Ministry of Defence in 2010 and General Officer Commanding 3rd Mechanised Division in April 2013.
Split into simpler sentences: He became Commander of 11th Light Brigade in October 2007 and in that role he led his brigade during the Helmand province campaign. He went on to be Director of Military Operations at the Ministry of Defence in 2010 and General Officer Commanding 3rd Mechanised Division in April 2013.