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
Media in Sault Ste. Marie, Ontario city in Northeastern Ontario, it has fewer of its own radio stations than the smaller North Bay or Timmins markets do, because of its location within the broadcast range of the Sault Ste. Marie and Newberry, Michigan radio market. However, many of these Michigan stations broadcast content and advertising geared toward listeners in Sault Ste. Marie, Ontario, which is by far the largest city in their broadcast range. Sault Ste. Marie is home to one television station which is locally licensed, CHBX-TV. However, that station effectively acts as a satellite of Sudbury's CICI-TV as part of the CTV Northern Ontario