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 (electoral district) city of Sault Ste. Marie and some immediately surrounding communities. It consisted initially of the City of Sault Ste. Marie and the Township of Prince. In 1976, it was redefined to consist of the part of the City of Sault Ste. Marie east of Allen's Side Road and south of the Second Line. In 1987, it was redefined to consist of the part of the City of Sault Ste. Marie lying south of Third Line and the part of Rankin Location 15D lying within the city limits. In 1996, it was redefined to consist of the City of Sault Ste.