Sault Ste. Marie, Ontario the locks. An anti-aircraft training facility was established north of Sault Ste. Marie on the shores of Lake Superior. Barrage balloons were installed, and early warning radar bases were established at five locations in northern Ontario (Kapuskasing, Cochrane, Hearst, Armstrong (Thunder Bay District), and Nakina) to watch for incoming aircraft. Military personnel were established to guard sensitive parts of the transportation infrastructure. A little over one year later, in January 1943, most of these facilities and defences were deemed excessive and removed, save a reduced military base at Sault Ste. Marie. The first "Algerine"-class minesweeper in the Royal Canadian Navy
Sault Ste. Marie, Ontario is a multi-modal terminal designed to take advantage of the Sault as a rail, road, and water transportation hub. Sault Ste. Marie is also served by Sault Ste. Marie Airport and Sault Transit Services. The city is no longer connected by passenger rail to any other major cities, but is part of the Algoma Central Railway network, which runs north from the city to the small town of Hearst. In 2006 the city's Member of Parliament, Tony Martin, called for passenger rail service to be reinstated between Sault Ste. Marie and Sudbury. Area tourist attractions include the Canadian Bushplane Heritage