Police motorcycles are also used in police funerals, VIP motorcades, and other special events. A12 Marathons were used to accommodate Pope Paul VI's entourage in motorcades. Motorcades can be used as protests and demonstrations. Motorcades involving the presidential state car are detailed, involved operations. Due to difficulty in organizing motorcades, helicopters (Marine One) are preferred. This is to help minimize disruption and congestion on Moscow roads caused by motorcades. A physician and nurse also travel with presidential motorcades. Cadman accompanied William Booth on all his motorcades around the United Kingdom. High-security motorcades may include up to ten vehicles. CAT operates both as part of motorcades and at fixed sites. For security, this often occurs for motorcades for heads of state or government. Motorcades can be used to transport a very important person, usually a political figure.