He has served as editor of the Naval Review, 1983–2002 and as its reviews editor from 2002. He has been a member of Council, Greenwich Forum, 1983 -, and served on the Board of War Studies, University of London, 1986–94; member of Council, Foundation for International Security, 1987-; member of Council, 1993-1997´and Vice President, 1997-2001 of the Navy Records Society; member of Council, 1993–94, and Chairman, 1994–99, of the Society for Nautical Research. Trustee, 1994–99, and Vice President, 2002, of the Royal Naval Museum, Portsmouth.