Dr Chris McNab is a writer and editor specialising in military history, with a major research interest in the evolution of modern manoeuvre warfare. He has written or contributed to numerous titles, including Campaigns of World War II, Order of Battle: German Kriegsmarine, Order of Battle: German Luftwaffe, World War II Data Book: The Third Reich, 1933–45 and World War II Data Book: The SS, 1923–45.