Complex sentence: He became Commanding Officer of No.18 Squadron and then No.78 Squadron before becoming Station Commander at RAF Aldergrove; he was air advisior to the Director SAS during the Falklands War and Deputy Assistant Chief of Staff during the Gulf War.
Split into simpler sentences: He became Commanding Officer of No.18 Squadron and then No.78 Squadron before becoming Station Commander at RAF Aldergrove. He was air advisior to the Director SAS during the Falklands War and Deputy Assistant Chief of Staff during the Gulf War.