Complex sentence: When travelling in a motorcade or convoy, the President is always escorted by the Presidential Security Group in a number of black Nissan Patrol High-security motorcades involve as many as 25 vehicles, but the actual number is dependent on the destination.
Split into simpler sentences: When travelling in a motorcade or convoy, the President is always escorted by the Presidential Security Group in a number of black Nissan Patrol. These high-security motorcades involve as many as 25 vehicles, but the actual number is dependent on the destination.