Complex sentence: The FV603 Saracen was a six-wheeled armoured personnel carrier built by Alvis and used by the British army that became a recognisable vehicle as a result of its part in the policing of Northern Ireland.
Split into simpler sentences: The FV603 Saracen is a six-wheeled armoured personnel carrier built by Alvis and used by the British army. It became a recognisable vehicle as a result of its part in the policing of Northern Ireland.