History of the Metropolitan Police Service been headed by a Commissioner, rather than a Chief Constable which is the highest rank in police forces outside London. The first Commissioners to hold the post were Lieutenant-Colonel Sir Charles Rowan and Sir Richard Mayne. When Sir Charles Rowan died, leaving Sir Richard Mayne as the surviving Commissioner, Captain William Hay was drafted in to jointly run the force with Mayne. However, because the two Commissioners did not agree on methods of running the force, since 1855 it was decided that only one Commissioner would run the force. Metropolitan Police patrols took to the streets on 29 September 1829,
Police vehicles in the United Kingdom systems. Although both observers are often police officers, the pilot does not engage in any police activities and is usually not a police officer. Police forces whose area includes significant waterways often include marine support units. Not only do these units police the waterways, but they also maintain a capability for waterborne rescue, usually in cooperation with HM Coastguard. Battenburg markings Jam sandwich (Phased out of London Metropolitan Police Service in 2012) Police vehicles in the United Kingdom The 52 police forces in the UK use a wide range of operational vehicles including compact cars, powerful estates and armored police