 Complete the following phrase:  The official title was changed from Metropolitan Police to Metropolitan Police Service as part of the PLUS Programme in 1989, under the then Commissioner Sir Peter Imbert, following the presentation of a report entitled A Service for Change: Report on the Corporate Identity of the Metropolitan Police to the services Policy Committee by Wolff Olins corporate identity consultants in August 1988. The Metropolitan Police Marine Policing Unit assisted in the aftermath of the 1989 