Mr. McGuire is a military postal historian who has worked tirelessly since 1978 on behalf of Canada's Hong Kong Veterans. He has been the Hong Kong Veterans Commemorative Association's Regional Representative for North-East Ontario since 1999 and is one of their unofficial historians. Beginning in 1980, he has exhibited his "C" Force collection at the Association’s reunions and at many other venues in Canada and the United States. From 1997 to today, he has ensured that the sacrifices of the Veterans of Canada and Newfoundland have been commemorated at the Nepean Museum with his Remembrance Month exhibits. Mr. McGuire's booklet, The Postal History of Canada's "C" Force, was awarded the E.R. Toop Memorial Award in 2002. An updated version in the Military Collectors Club of Canada Journal received its "Merit Bar Award" for 2003. His article “Trench Art: The Folk Art of War” was published in "The Fragment," a War Amputations of Canada publication. From 1974 to date, his articles on Canada's military postal history from 1837 to the Second World War have appeared in more than a dozen periodicals.