Complex sentence: The Royal Air Force Air Cadets, official known as the Air Cadet Organisation (or ACO) is an organisation sponsored by the Royal Air Force that operates the Air Training Corps and RAF contingents of the Combined Cadet Force.
Split into simpler sentences: The Royal Air Force Air Cadets, officially known as the Air Cadet Organisation (or ACO). It is an organisation sponsored by the Royal Air Force that operates the Air Training Corps and RAF contingents of the Combined Cadet Force.