Terrance McGovern has authored five books and numerous articles on fortifications, three of those books being for Osprey’s Fortress Series (American Defenses of Corregidor and Manila Bay 1898-1945; Defenses of Pearl Harbor and Oahu 1907-50; American Coastal Defences 1885-1950). He has also published eleven books on coast defense and fortifications through Redoubt Press or CDSG Press. The CDSG Press (www.cdsg.org) is part of the US based Coast Defense Study Group (non-profit organization dedicated to the study of coastal fortifications), where Terry has been its Chairman and continues to be a long-time officer. He has also been the editor of the UK based Fortress Study Group annual journal, FORT. He also a director of the International Fortress Council and Council on America’s Military Past.