Lt Col. Dan Harvey is the author of A Bloody Week: The Irish at Arnhem; A Bloody Dawn: The Irish At D-Day; Soldiering against Subversion: The Irish Defence Forces and Internal Security During the Troubles, 1969–1998; Into Action: Irish Peacekeepers Under Fire, 1960–2014; A Bloody Day: The Irish at Waterloo; A Bloody Night: The Irish at Rorke’s Drift; and Soldiers of the Short Grass: A History of the Curragh Camp.