CFB Trenton, designated CYTR, is a Canadian Forces Base located near Trenton, Ontario, and serves as the largest and busiest military airbase in Canada. It is the home of 8 Wing Trenton, which oversees air transport, search and rescue, and training operations for the Royal Canadian Air Force. The base plays a critical strategic role, functioning as the primary gateway for Canadian military airlift operations both domestically and internationally. It has been the departure and arrival point for numerous humanitarian missions, repatriation flights, and logistical support operations. While primarily a military installation, CFB Trenton also serves as the site of the National Air Force Museum of Canada, attracting visitors interested in Canadian aviation history. Civilian access to the base is restricted, and it does not operate as a commercial passenger airport.