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 notable athletes from Sault Ste. Marie include Canadian Football Hall of Fame inductee Rocky Dipietro, Paralympic swimmer Jessica Tuomela, softball pitcher Darren Zack, and mixed martial artist Antonio Carvalho. The Sault has been host to many national and international sporting events including the 2003 Eco-Challenge North American Championship, an expedition-length () adventure race through unmarked wilderness by biking, trekking, paddling and using ropes. The Walk of Fame was created in 2006 as a joint project between the city of Sault Ste. Marie and its Downtown Association, and honours those from the city or the Algoma District who have made outstanding