About Donald G. Mitchell Books by Donald G. Mitchell Distinguished Conduct Medal, The Awarded to Members of the Canadian Expeditionary Force, 1914-1920 edited by David K. Riddle & Donald G. Mitchell Distinguished Service Order, The Awarded to Members of the Canadian Expeditionary Force and Canadians in the Royal Naval Air Service, The Royal Flying Corps and Royal Air Force 1915-1920 edited by David K. Riddle & Donald G. Mitchell foreword by Colonel (Red'd) Douglas Ludlow