Pittsburgh Police hats with checkered bands, which are dark navy blue and gold in color, popularly known as the "Sillitoe Tartan" and named after its originator, Percy J. Sillitoe, Chief Constable of Glasgow, Scotland, in the 1930s. While the checkered band is a common police symbol in the United Kingdom, Australia and some European countries, the Chicago Police Department, Cook County Sheriff's Police, the Allegheny County Sheriff's Office, and the Pittsburgh Bureau of Police are the only police forces in the United States that have adopted it as part of their uniforms. As recently as July 1930, police were required to wear
Police cadets in the United Kingdom word "cadet" on the left breast reflective strip instead of the word "police". The equivalent of the Police Cadets in Scotland is the Police Scotland Youth Volunteers (PSYV). The PSYV is not part of the Volunteer Police Cadets framework, but is listed as a partner agency and carries out similar work. Established in 2013 with five groups in Aberdeen, Cumnock, Dundee, Edinburgh and Glasgow, PSYV members volunteered at the 2014 Commonwealth Games in Glasgow and other public events. The program has quickly expanded and today there are now twenty groups across Scotland from Stranraer to Shetland, with plans to expand