personal and research papers. After retirement, he was a visiting lecturer at several universities, including being Lees Knowles Lecturer in 1961, the distinguished visiting lecturer at the U.S. Naval Academy in 1965, and Richmond Lecturer at Cambridge University in 1967. He was elected a vice president of the Navy Records Society in 1964 and an honorary vice president in 1974. Honours and awards Roskill was awarded the Distinguished Service Cross on 21 March 1944 as commander in HMNZS Leander when she was torpedoed in the Pacific. In 1946 he was awarded the American Legion of Merit. He was made a Commander of the Order of the British Empire in the 1971 New Year Honours and received an honorary Doctor of Literature degree from Cambridge University in 1970, from the University of Leeds in 1971, and from Oxford University in 1980. He was elected a Fellow of The British Academy. Dates of rank Midshipman - 15 September 1921 Sub-lieutenant - 30 July 1924 Lieutenant - 30 August 1925 Lieutenant-commander - 30 August 1933 Commander - 31 December 1938 Captain - 30 June 1944 Published works Escort. The Battle of the Atlantic by Denys Arthur Rayner and edited by S. W. Roskill (1955) HMS Warspite. The story of a famous battleship (1957) - HMS Warspite The Secret Capture. (On the capture of the German submarine U-110 (1940) during the Second World War). (1959) The War at Sea, 1939–1945 Three volumes published from 1954–61 of the British official history series, the History of the Second World War, all edited by J. R. M. Butler Volume 1: The Defensive (1954) Volume 2: The Period of Balance (1956) Volume 3: The Offensive, Part 1 (1960) Volume 3: The Offensive, Part 2 (1961) The Navy at War, 1939–1945 Published in the US as The White Ensign: The British Navy at War, 1939–1945 (1960) The Strategy of Sea Power. Its development and application. Based on the Lees-Knowles Lectures ... 1961 (1962) A Merchant Fleet in War. Alfred Holt & Co., 1939–1945. (1962) The Strategy of Sea Power (1962, 1984) The Art of Leadership (1964) Naval Policy Between the Wars. Vol. 1, The period of Anglo-American antagonism, 1919–1929 Vol. 2, The period of reluctant rearmament, 1930–1939 (1968, 1976) Documents relating to the Royal Naval Air Service (1969) The eventful history of the mutiny and piratical seizure of HMS Bounty, its causes and consequences by Sir John Barrow -