Incident in North Atlantic last fall shows why Canada needs submarines, navy says - Action News
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Nova Scotia

Incident in North Atlantic last fall shows why Canada needs submarines, navy says

A Halifax-based submarine and planes based at 14 Wing Greenwood assisted in an international mission to respond to a show of aggression by a major foreign power.

NATO forces identified 5 subs from a major foreign power moving into North Atlantic last year

Crew stand atop HMCS Windsor, one of Canada's four submarines. (Brett Ruskin/CBC)

Top East Coast naval brass are pointing to a recent foray by a foreign power as an act ofaggression that shows why Canada needsa strong sub-sea presence.

Rear-Admiral John Newton, commander of the East Coast navy, shared details of the2015 incidentduring amedia tour aboard HMCS Windsor, one of Canada's four submarines.

Last fall, NATO forces noticed five submarines belonging to a major foreign power moving into the North Atlantic. Newton did not name the country.

The subs four nuclear-powered and one diesel-electric were tracked to the area near Iceland and Greenland.

The Canadian military deployed Halifax-based HMCS Windsor, and Aurora patrol aircraft from 14 Wing Greenwood.

The response was in coordination with American and European alliesto "demonstrate resolve" against this show of aggression, Newton said.

Teaching old subs new tricks

HMCS Windsor is one of four submarines purchased by the Canadian government nearly two decades ago from Britain. They were slow to be put into service, and have had numerous issues over the yearsincluding on-board fires and collisions with the sea floor.

But the subs aregetting significant technological refits.

Take a tour of HMCS Windsor

8 years ago
Duration 1:40
CBC reporter Brett Ruskin spent a night aboard the submarine HMCS Windsor.

HMCS Windsor is now using the same sonar system found on the United States' Virginia-class submarines, considered among themost capable nuclear subs on the planet.The sonar systemcan identify and track targets from many kilometres away.

Military officials showed the system to members of the media, but did not permit them to take pictures or disclose specific details about its performance capabilities.

'These submarines or no submarines'

Canada's submarines have often been criticized for being second-hand and expensive to maintain.

While both those assertions are true, the subs are still good value for money, said Ken Hansen, a retired military officer and independent maritime security analyst.

"It was these submarines or no submarines," he said. "We couldn't have bought new submarines for the money that was available [in 1998]. Therefore, we had to buy used. It was simple."

Next mission involvestrip to Norway

He said the submarines are powered bydiesel-electric engines, which are quieter than many nuclear-powered submarines.

Beneath the surface, HMCS Windsor runs on battery power. A nuclear submarine needs complex systems for power and heat management that produce slightly more noise.

The next mission for Canada's East Coast submarine involves a trip to Norway, followed by a series of international exercises planned to take place in the waters between Halifax and St. John's.