A special exhibit opens at Canada’s National Air Force Museum at 8 Wing Trenton today. The official opening occurs at 11 this morning, marking the 25th anniversary of the museum. The event will celebrate with past and present board members, staff, and volunteers, and will feature guest speakers on the history and accomplishments of the museum over the years. Canada’s National Air Force Museum, on RCAF Road, now stands as the country’s largest air museum, with over 40 thousand visitors a year.