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,
Metropolitan Police Service of any relevant specialist force, even if they are committed on railway or Ministry of Defence property. A minor oddity to the normal jurisdiction of territorial police officers in England and Wales is that Met officers involved in the protection duties of the Royal Family and other VIPs have full police powers in Scotland and Northern Ireland in connection with those duties. The Metropolitan Police Service is organised into the following directorates: Each is overseen by an Assistant Commissioner, or in the case of administrative departments, a director of police staff, which is the equivalent civilian staff grade. The management