The red-capped military policeman standing on traffic duty on vital crossroads has become a familiar and respected figure to the 20th-century British soldier. Although generals as diverse as Wellington and Haig can be numbered among its admirers, the role of the Royal Military Police and its antecedents is much less well-known outside the army.
Gary Sheffield is Professor of War Studies at the University of Wolverhampton. He is President of the International Guild of Battlefield Guides and a Vice President of the Western Front Association. He has published widely on the First World War and regularly broadcasts on television and radio as well as contributing to numerous journals, magazines and newspapers. Previous books include the acclaimed Forgotten Victory and The Chief: Douglas Haig and the British Army, which was shorlisted for the presigious Duke of Westminster's Medal.